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Novels
- Deepak Chopra's Lords of Light (1999) with Deepak Chopra
- Deepak Chopra's The Angel is Near (2000) with Deepak Chopra
- Asimov's Ghosts / Asimov's Monsters (1988) [O] with Isaac Asimov and Charles G. Waugh
- Freedom! (2006) [O/1,2] with Mark Tier
- Isaac Asimov's Magical Worlds of Fantasy: Witches & Wizards (1985) [O/1-2] with Isaac Asimov and Charles G. Waugh
- The Seven Cardinal Virtues of Science Fiction / Catastrophes! (unpublished) [O] with Isaac Asimov and Charles G. Waugh
- The Seven Deadly Sins and Cardinal Virtues of Science Fiction (1982) [O] with Isaac Asimov and Charles G. Waugh
- What Might Have Been: Volumes 1 & 2: Alternate Empires / Alternate Heroes (1990) [O/1,2] with Gregory Benford
- What Might Have Been: Volumes 3 & 4: Alternate Wars / Alternate Americas (1992) [O/3,4] with Gregory Benford
- 100 Astounding Little Alien Stories (1996) with Stefan Dziemianowicz and Robert Weinberg
- 100 Creepy Little Creatures (1994) with Stefan Dziemianowicz and Robert Weinberg
- 100 Dastardly Little Detective Stories (1993) with Stefan Dziemianowicz and Robert Weinberg
- 100 Fiendish Little Frightmares (1997) with Stefan Dziemianowicz and Robert Weinberg
- 100 Ghastly Little Ghost Stories (1993) with Stefan Dziemianowicz and Robert Weinberg
- 100 Great Fantasy Short Short Stories (1984) with Isaac Asimov and Terry Carr
- 100 Great Science Fiction Short Short Stories (1978) with Isaac Asimov and Joseph D. Olander
- 100 Hair-Raising Little Horror Stories (1993) with Al Sarrantonio
- 100 Hilarious Little Howlers (1999) with Stefan Dziemianowicz and Robert Weinberg
- 100 Menacing Little Murder Stories (1998) with Stefan Dziemianowicz and Robert Weinberg
- 100 Sneaky Little Sleuth Stories (1997) with Stefan Dziemianowicz and Robert Weinberg
- 100 Tiny Tales of Terror (1996) with Stefan Dziemianowicz and Robert Weinberg
- 100 Twisted Little Tales of Torment (1998) with Stefan Dziemianowicz and Robert Weinberg
- 100 Vicious Little Vampire Stories (1995) with Stefan Dziemianowicz and Robert Weinberg
- 100 Wicked Little Witch Stories (1995) with Stefan Dziemianowicz and Robert Weinberg
- 100 Wild Little Weird Tales (1994) with Stefan Dziemianowicz and Robert Weinberg
- 101 Science Fiction Stories (1986) with Jenny-Lynn Azarian and Charles G. Waugh
-
13 Horrors of Halloween (1983)
with
Isaac Asimov
and
Carol-Lynn Rössel Waugh?Carol-Lynn Roessel Waugh
- 13 Short Fantasy Novels (1984) with Isaac Asimov and Charles G. Waugh
- 13 Short Horror Novels (1987) with Charles G. Waugh
- 13 Short Science Fiction Novels (1985) with Isaac Asimov and Charles G. Waugh
- 14 Vicious Valentines (1988) with Rosalind M. Greenberg and Charles G. Waugh
- A Century of Horror 1970-1979 (1996) with David Drake
- A Date Which Will Live in Infamy: An Anthology of Pearl Harbor Stories That Might Have Been (2001) with Brian M. Thomsen
- A Girl's Guide to Guns and Monsters (2010) with Kerrie Hughes
- A Knife for Tomaso and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- A Newbery Halloween (1993) with Charles G. Waugh
- A Taste for Blood (1992)
- A Treasury of American Horror Stories (1985) with Frank D. McSherry, Jr. and Charles G. Waugh
- A Treasury of American Mystery Stories (1989) with Frank D. McSherry, Jr. and Charles G. Waugh
- A Treasury of Modern Fantasy (1981) with Terry Carr
- Adoniram and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Adventures of the Batman (1995)
- After the End (1981) with Isaac Asimov and Charles G. Waugh
- After the King: Stories in Honor of J. R. R. Tolkien (1992)
- Aladdin: Master of the Lamp (1992) with Mike Resnick
- Alien Abductions (1999) with John Helfers
- Alien Pregnant by Elvis (1994) with Esther M. Friesner
- All Hell Breaking Loose (2005)
- Alternate Americas (1992) with Gregory Benford
- Alternate Empires (1989) with Gregory Benford
- Alternate Gettysburgs (2002) with Brian M. Thomsen
- Alternate Heroes (1990) with Gregory Benford
- Alternate Wars (1991) with Gregory Benford
- Alternative Histories (1986) with Charles G. Waugh
- Amazing Science Fiction Anthology: The War Years 1936-1945 (1987)
- Amazing Science Fiction Anthology: The Wild Years 1946-1955 (1987)
- Amazing Science Fiction Anthology: The Wonder Years 1926-1935 (1987)
- Amazing Stories: 60 Years of the Best Science Fiction (1985) with Isaac Asimov
- Amazing Stories: Visions of Other Worlds (1986)
- American Government Through Science Fiction (1974) with Joseph D. Olander and Patricia S. Warrick
- An Anthology of Angels (1996) with Ed Gorman and Larry Segriff
- Ancient Enchantresses (1995) with Richard Gilliam and Kathleen M. Massie-Ferch
- Animal Brigade 3000 (1994) with Charles G. Waugh
- Anthropology Through Science Fiction (1974) with Carol Mason and Patricia S. Warrick
- Apprentice Fantastic (2002) with Russell Davis
- Armageddon (1998) with David Drake and Billie Sue Mosiman
- Assassin Fantastic (2001) with Alexander Potter
- Atlantis (1988) with Isaac Asimov and Charles G. Waugh
- Back from the Dead (1991) with Charles G. Waugh
- Barbarians (1986) with Robert Adams and Charles G. Waugh
- Barbarians II (1988) with Pamela Crippen Adams and Robert Adams
- Bart Science Fiction Triplet #1 (1988)
- Baseball 3000 (1981) with Frank D. McSherry, Jr. and Charles G. Waugh
- Battle Magic (1998) with Larry Segriff
- Battlefields Beyond Tomorrow: Science Fiction War Stories (1987) with Charles G. Waugh
- Best of the New Wave (unpublished) with Arthur Byron Cover and Harlan Ellison
- Better Off Undead (2008) with Daniel M. Hoyt
- Between the Dark and the Daylight and 27 More of the Best Crime and Mystery Stories of the Year (2009) with Ed Gorman
- Between Time and Terror (1995) with Stefan Dziemianowicz and Robert Weinberg
- Beyond Armageddon (1985) with Walter M. Miller, Jr.
- Black Cats and Broken Mirrors (1998) with John Helfers
- Blood Lines: Vampire Stories from New England (1997) with Lawrence Schimel
- Blood Muse (1995) with Esther M. Friesner
- Body Armor: 2000 (1986) with Joe Haldeman and Charles G. Waugh
- Boondocks Fantasy (2011) with Jean Rabe
- Bootcamp 3000 (1992) with Charles G. Waugh
- Bug Awful (1984) with Isaac Asimov and Charles G. Waugh
- By Any Other Fame (1994) with Mike Resnick
- Camelot Fantastic (1998) with Lawrence Schimel
- Car Sinister (1979) with Joseph D. Olander and Robert Silverberg
- Castle Fantastic (1996) with John DeChancie
- Cat Crimes Through Time (1998) with Ed Gorman and Larry Segriff
- Catastrophes! (1981) with Isaac Asimov and Charles G. Waugh
- Catfantastic II (1991) with Andre Norton
- Catfantastic III (1994) with Andre Norton
- Catfantastic IV (1996) with Andre Norton
- Catfantastic V (1999) with Andre Norton
- Catfantastic: Nine Lives and Fifteen Tales (1989) with Andre Norton
- Catopolis (2008) with Janet Pack
- Caught in the Organ Draft: Biology in Science Fiction (1983) with Isaac Asimov and Charles G. Waugh
- Celebrity Vampires (1995)
- Children of Magic (2006) with Kerrie Hughes
- Children of the Future (1984) with Isaac Asimov and Charles G. Waugh
- Children of the Night: Stories of Ghosts, Vampires, Werewolves, and "Lost Children" (1999)
- Christmas Bestiary (1992) with Rosalind M. Greenberg
- Christmas Ghosts (1993) with Mike Resnick
- Christmas on Ganymede and Other Stories (1990)
- Christmas on the Prairie and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Cinemonsters (1987) with Frank D. McSherry, Jr. and Charles G. Waugh
- Civil War Fantastic (2000)
- Civil War Ghosts (1991) with Frank D. McSherry, Jr. and Charles G. Waugh
- Comets (1986) with Isaac Asimov and Charles G. Waugh
- Commando Brigade 3000 (1994) with Charles G. Waugh
- Computer Crimes and Capers (1983) with Isaac Asimov and Charles G. Waugh
- Confederacy of the Dead (1993) with Richard Gilliam and Edward E. Kramer
- Cosmic Critiques: How & Why Ten Science Fiction Stories Work (1990) with Isaac Asimov and Ansen Dibell
- Cosmic Knights (1985) with Isaac Asimov and Charles G. Waugh
- Courts of the Fey (2011) with Russell Davis
- Creations: The Quest for Origins in Story and Science (1983) with Isaac Asimov and George Zebrowski
- Crime Spells (2009) with Loren L. Coleman
- Criminal Justice Through Science Fiction (1977) with Joseph D. Olander
- Cults of Horror (1990) with Charles G. Waugh
- Cults!: An Anthology of Secret Societies, Sects, and the Supernatural (1983) with Charles G. Waugh
- Curses (1989) with Isaac Asimov and Charles G. Waugh
- Dancing Tom and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Dangerous Vegetables (1998) with Keith Laumer and Charles G. Waugh
- Dark Love (1995) with Nancy A. Collins and Edward E. Kramer
- Dawn of Time (1979) with Joseph D. Olander and Robert Silverberg
- Deals with the Devil (1994) with Loren D. Estleman and Mike Resnick
- Desire Burn: Women's Stories from the Dark Side of Passion (1995) with Janet Berliner and Uwe Luserke
- Devil Worshipers (1990) with Charles G. Waugh
- Devils (1987) with Isaac Asimov and Charles G. Waugh
- Dinosaur Fantastic (1993) with Mike Resnick
- Dinosaurs (1996)
- Dixie Ghosts: Haunting Spine-chilling Stories from the American South (1988) with Frank D. McSherry, Jr. and Charles G. Waugh
- Dracula: Prince of Darkness (1992)
- Dragon Fantastic (1992) with Rosalind M. Greenberg
- Dragon Tales (1982) with Isaac Asimov and Charles G. Waugh
- Dragons & Dreams: A Collection of New Fantasy and Science Fiction Stories (1986) with Charles G. Waugh and Jane Yolen
- Dragons: The Greatest Stories (1997)
- Dwergsterren [Dutch] (1979) with Isaac Asimov and Vincent van der Linden and Joseph D. Olander
- Earth Invaded (1982) with Isaac Asimov and Charles G. Waugh
- East Coast Ghosts (1989) with Charles G. Waugh
- Eastern Ghosts (1990) with Frank D. McSherry, Jr. and Charles G. Waugh
- Election Day 2084: Science Fiction Stories About the Future of Politics (1984) with Isaac Asimov
- Elf Fantastic (1997)
- Elf Magic (1997)
- Enchanted Forests (1995) with Katharine Kerr
- Encounters (1988) with Isaac Asimov and Charles G. Waugh
- Excalibur (1995) with Richard Gilliam and Edward E. Kramer
- Faerie Tales (2004) with Russell Davis
- Faeries (1991) with Isaac Asimov and Charles G. Waugh
- Famous Fantastic Mysteries (1991) with Stefan Dziemianowicz and Robert Weinberg
- Fantastic Alice (1995) with Margaret Weis
- Fantastic Chicago (1991)
- Fantastic Creatures (1981) with Isaac Asimov and Charles G. Waugh
- Fantastic Reading: Stories and Activities for Grades 5-8 (1984) with Isaac Asimov and David Clark Yeager
- Fantastic Stories: Tales of the Weird & Wondrous (1987) with Patrick Lucien Price
- Fantastic World War II (1990) with Frank D. McSherry, Jr. and Charles G. Waugh
- Fantasy Gone Wrong (2006) with Brittiany A. Koren
- Far Frontiers (2000) with Larry Segriff
- Fate Fantastic (2007) with Daniel M. Hoyt
- Fellowship Fantastic (2008) with Kerrie Hughes
- Fields of Blood: Vampire Stories from the American Midwest (1998) with Lawrence Schimel
- First Contact (1997) with Larry Segriff
- First Voyages (1981) with Damon Knight and Joseph D. Olander
- Flying Saucers (1982) with Isaac Asimov and Charles G. Waugh
- For a Horse and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- For the Sake of Freedom and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Forbidden Acts (1995) with Nancy A. Collins and Edward E. Kramer
- Foundation's Friends: Stories in Honor of Isaac Asimov (1989)
- Frankenstein: The Monster Wakes (1993)
- Friends, Robots, Countrymen (1990) with Isaac Asimov
- Full Moon City (2010) with Darrell Schweitzer
- Future Americas (2008) with John Helfers
- Future Crimes (1999) with John Helfers
- Future Net (1996) with Larry Segriff
- Future Wars (2003) with Larry Segriff
- Future Weapons of War (2007) with Joe Haldeman
- Galaxy: Thirty Years of Innovative Science Fiction (1980) with Joseph D. Olander and Frederik Pohl
- Gamer Fantastic (2009) with Kerrie Hughes
- Gateways (2005)
- Ghosts (1988) with Isaac Asimov and Charles G. Waugh
- Ghosts in Baker Street (2006) with Jon Lellenberg and Daniel Stashower
- Ghosts of the Heartland (1990) with Frank D. McSherry, Jr. and Charles G. Waugh
- Ghouls, Ghosts, and Ninja Rats (2013)
- Giants (1985) with Isaac Asimov and Charles G. Waugh
- Girls' Night Out: Twenty-Nine Female Vampire Stories (1997) with Stefan Dziemianowicz and Robert Weinberg
- Give Me Liberty (2003) with Mark Tier
- Grails: Quests of the Dawn (1994) with Richard Gilliam and Edward E. Kramer
- Grails: Quests, Visitations and Other Occurrences (1992) with Richard Gilliam and Edward E. Kramer
- Grails: Visitations of the Night (1994) with Richard Gilliam and Edward E. Kramer
- Great American Ghost Stories (1991) with Frank D. McSherry, Jr. and Charles G. Waugh
- Great Science Fiction: Stories by the World's Great Scientists (1985) with Isaac Asimov and Charles G. Waugh
- Great Writers & Kids Write Spooky Stories (1995) with Jill M. Morgan and Robert Weinberg
- Guardian Angels: Heart-Warming Stories of Divine Influence and Protection (2000)
- Guardsmen of Tomorrow (2000) with Larry Segriff
- Hallucination Orbit: Psychology in Science Fiction (1983) with Isaac Asimov and Charles G. Waugh
- Haunted Dixie: Great Ghost Stories from the American South (2008) with Frank D. McSherry, Jr. and Charles G. Waugh
- Haunted Holidays (2004) with Russell Davis
- Haunted Houses: The Greatest Stories (1997)
- Haunted New England: Classic Tales of the Strange and Supernatural (1988) with Frank D. McSherry, Jr. and Charles G. Waugh
- Heroes in Training (2007) with Jim C. Hines
- Historical Hauntings (2001) with Jean Rabe
- Hitchcock in Prime Time (1985) with Francis M. Nevins, Jr.
- Hitler Victorious: Eleven Stories of the German Victory in World War II (1986) with Gregory Benford
- Hollywood Ghosts (1991) with Frank D. McSherry, Jr. and Charles G. Waugh
- Hollywood Unreel (1982) with Charles G. Waugh
- Horrible Beginnings (2003) with Steven H Silver
- Horrors! 365 Scary Stories: Get Your Daily Dose of Terror (1998) with Stefan Dziemianowicz and Robert Weinberg
- Horrors: The Scary Story Collection (2004) with Stefan Dziemianowicz and Robert Weinberg
- Horse Fantastic (1991) with Rosalind M. Greenberg
- Hot and Steamy: Tales of Steampunk Romance (2011) with Jean Rabe
- Hotter Than Hell (2008) with Kim Harrison
- House Shudders (1987) with Charles G. Waugh
- Human for a Day (2011) with Jennifer Brozek
- Hunger for Horror (1988) with Pamela Crippen Adams and Robert Adams
- If I Were an Evil Overlord (2007) with Russell Davis
- Imaginary Friends (2008) with John Marco
- In the Shadow of Evil (2005) with John Helfers
- Intergalactic Empires (1983) with Isaac Asimov and Charles G. Waugh
- International Relations Through Science Fiction (1978) with Joseph D. Olander
- Introductory Psychology Through Science Fiction (1974) with Harvey A. Katz and Patricia S. Warrick
- Invasions (1990) with Isaac Asimov and Charles G. Waugh
- Invitation to Murder (1991) with Ed Gorman
- Isaac Asimov Presents Tales of the Occult (1989) with Isaac Asimov and Charles G. Waugh
- Isaac Asimov Presents the Best Fantasy of the 19th Century (1982) with Isaac Asimov and Charles G. Waugh
- Isaac Asimov Presents the Best Horror and Supernatural of the 19th Century (1983) with Isaac Asimov and Charles G. Waugh
- Isaac Asimov Presents the Best Science Fiction Firsts (1984) with Isaac Asimov and Charles G. Waugh
- Isaac Asimov Presents the Best Science Fiction of the 19th Century (1981) with Isaac Asimov and Charles G. Waugh
- Isaac Asimov Presents The Golden Years of Science Fiction (1983) with Isaac Asimov
- Isaac Asimov Presents The Golden Years of Science Fiction: 2nd Series (1983) with Isaac Asimov
- Isaac Asimov Presents the Golden Years of Science Fiction: Sixth Series (1988) with Isaac Asimov
- Isaac Asimov Presents The Golden Years of Science Fiction: Third Series (1984) with Isaac Asimov
- Isaac Asimov Presents Volume 6 (1998)
- Isaac Asimov Presents Volume 7 (1998)
- Isaac Asimov's All-Time Favorite Science Fiction Stories, Vol. 2 (1997)
- Isaac Asimov's Science Fiction Treasury (1981) with Isaac Asimov and Joseph D. Olander
- It Came from the Drive-In (1996) with Norman Partridge
- Knight Fantastic (2002) with John Helfers
- Le grandi storie della fantascienza: 1963 [Italian] (1995) with Isaac Asimov
- Legends of the Batman (1997)
- Lighthouse Hauntings: 12 Original Tales of the Supernatural (2002) with Charles G. Waugh
- Lighthouse Horrors (1993) with Jenny-Lynn Azarian and Charles G. Waugh
- Lighthouse Island and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Little Red Riding Hood in the Big Bad City (2004) with John Helfers
- Little Sioux Girl and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Lone Cowboy and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Lord of the Fantastic: Stories in Honor of Roger Zelazny (1998)
- Louisiana Vampires (2010) with Lawrence Schimel
- Love & Rockets (2010) with Kerrie Hughes
- Love 3000 (1980) with Charles G. Waugh
- Love in Vein (1994) with Poppy Z. Brite
- Love Is Strange: An Anthology of Paranormal Romance Stories (2011) with Rosalind M. Greenberg
- Lovecraft's Legacy (1990) with Robert Weinberg
- Machines That Kill (1984) with Fred Saberhagen
- Machines That Think: The Best Science Fiction Stories About Robots and Computers (1984) with Isaac Asimov and Patricia S. Warrick
- Mad Scientists (1982) with Isaac Asimov and Charles G. Waugh
- Magic Tails (2005) with Janet Pack
- Magical Beginnings (2003) with Steven H Silver
- Magical Wishes (1986) with Isaac Asimov and Charles G. Waugh
- Magos [Portuguese] (1990) with Isaac Asimov and Charles G. Waugh
- Maiden, Matron, Crone (2005) with Kerrie Hughes
- Man vs. Machine (2007) with John Helfers
- Mardi Gras Madness: Tales of Terror and Mayhem in New Orleans (2000) with Russell Davis
- Marriage and the Family Through Science Fiction (1976) with Val Clear and Joseph D. Olander and Patricia S. Warrick
- Mercenaries of Tomorrow (1985) with Poul Anderson and Charles G. Waugh
- Merlin (1999)
- Microcosmic Tales (1980) with Isaac Asimov and Joseph D. Olander
- Midnight Mass and Other Great Vampire Stories (1999)
- Millennium 3001 (2006) with Russell Davis
- Miskatonic University (1996) with Robert Weinberg
- Mob Magic (1998) with Brian M. Thomsen
- Monster Brigade 3000 (1996) with Charles G. Waugh
- Monsters (1988) with Isaac Asimov and Charles G. Waugh
- More Dixie Ghosts (1994) with Frank D. McSherry, Jr. and Charles G. Waugh
- More Phobias: Stories of Unparalleled Paranoia (1995) with Richard Gilliam and Edward E. Kramer and Wendy Webb
- Mummy Stories (1990)
- Murasaki (1992) with Robert Silverberg
-
Murder on the Menu (1984)
with
Isaac Asimov
and
Carol-Lynn Rössel Waugh?Carol-Lynn Roessel Waugh
- Mutants (1982) with Isaac Asimov and Charles G. Waugh
- My Favorite Fantasy Story (2000)
- My Favorite Horror Story (2000) with Mike Baker
- My Favorite Science Fiction Story (1999)
- Mysterious Visions (1979) with Joseph D. Olander and Charles G. Waugh
- Mythical Beasties (1986) with Isaac Asimov and Charles G. Waugh
- Neanderthals (1987) with Robert Silverberg and Charles G. Waugh
- Nebula Award-Winning Novellas (1994)
- Neglected Visions (1979) with Barry N. Malzberg and Joseph D. Olander
- New England Ghosts (1990) with Frank D. McSherry, Jr. and Charles G. Waugh
- New Legends (1995) with Greg Bear
- New Stories from the Twilight Zone (1991)
- Night Screams (1996) with Ed Gorman
- Nightmares in Dixie: Thirteen Horror Tales from the American South (1987) with Frank D. McSherry, Jr. and Charles G. Waugh
- Nightmares on Elm Street: Freddy Krueger's Seven Sweetest Dreams (1991)
- No Room for Man (1979) with Ralph S. Clem and Joseph D. Olander
- Nuclear War (1988) with Gregory Benford
- Nursery Crimes (1993) with Stefan Dziemianowicz and Robert Weinberg
- Oceans of Magic (2001) with Brian M. Thomsen
- Oceans of Space (2002) with Brian M. Thomsen
- Olympus (1998) with Bruce D. Arthurs
- Once Upon a Crime (1998) with Ed Gorman
- Once upon a Galaxy (2002) with John Helfers and Wil McCarthy
- Pandora's Closet (2007) with Jean Rabe
- Past Imperfect (2001) with Larry Segriff
- Peter S. Beagle's Immortal Unicorn (1995) with Peter S. Beagle and Janet Berliner
- Peter S. Beagle's Immortal Unicorn: Volume 1 (1998) with Peter S. Beagle and Janet Berliner
- Peter S. Beagle's Immortal Unicorn: Volume 2 (1999) with Peter S. Beagle and Janet Berliner
- Phantom Regiments (1990) with Pamela Crippen Adams and Robert Adams
- Phantoms (1989) with Rosalind M. Greenberg
- Phantoms of the Night (1996) with Richard Gilliam
- Pharaoh Fantastic (2002) with Brittiany A. Koren
- Phases in Chaos (1991)
- Phobias: Stories of Your Deepest Fears (1994) with Richard Gilliam and Edward E. Kramer and Wendy Webb
- Pirate Ghosts of the American Coast: Stories of Hauntings at Sea (1988) with Frank D. McSherry, Jr. and Charles G. Waugh
- Places to Be, People to Kill (2007) with Brittiany A. Koren
- Political Science Fiction: An Introductory Reader (1974) with Patricia S. Warrick
- Predators (1993) with Ed Gorman
- Pulp Masters (2001) with Ed Gorman
- Red Jack (1988) with Frank D. McSherry, Jr. and Charles G. Waugh
- Return of the Dinosaurs (1997) with Mike Resnick
- Rivals of Dracula (1996) with Stefan Dziemianowicz and Robert Weinberg
- Rivals of Weird Tales (1990) with Stefan Dziemianowicz and Robert Weinberg
- Robert Adams' Book of Alternate Worlds (1987) with Pamela Crippen Adams and Robert Adams
- Robert Adams' Book of Soldiers (1988) with Pamela Crippen Adams and Robert Adams
- Robert Silverberg Presents the Great SF Stories: 1964 (2001) with Robert Silverberg
- Robot Warriors (1991) with Charles G. Waugh
- Robots (1989) with Isaac Asimov and Charles G. Waugh
- Rod Serling's Night Gallery Reader (1987) with Carol Serling and Charles G. Waugh
- Run to Starlight, Sports Through Science Fiction (1976) with Joseph D. Olander and Patricia S. Warrick
- School and Society Through Science Fiction (1974) with Joseph D. Olander and Patricia S. Warrick
- Sci Fi Private Eye (1997) with Charles G. Waugh
- Science Fiction A to Z (1982) with Isaac Asimov and Charles G. Waugh
- Science Fiction and Fantasy Story-A-Month 1989 Calendar (1988) with Isaac Asimov
- Science Fiction of the Fifties (1979) with Joseph D. Olander
- Science Fiction of the Forties (1978) with Joseph D. Olander and Frederik Pohl
- Science Fiction Origins (1980) with William F. Nolan
- Science Fiction: Contemporary Mythology: The SFWA-SFRA Anthology (1978) with Joseph D. Olander and Patricia S. Warrick
- Science Fiction: The Science Fiction Research Association Anthology (1988) with Patricia S. Warrick and Charles G. Waugh
- Screamplays (1997) with Richard Chizmar
- Sea-Cursed: Thirty Terrifying Tales of the Deep (1994) with Stefan Dziemianowicz and T. Liam McDonald
- Sherlock Holmes in Orbit (1995) with Mike Resnick
- Sherlock Holmes Through Time and Space (1984) with Isaac Asimov and Charles G. Waugh
- Silicon Dreams (2001) with Larry Segriff
- Single White Vampire Seeks Same (2001) with Brittiany A. Koren
- Sirius: The Dog Star (2004) with Alexander Potter
- Sisters in Fantasy (1995) with Susan Shwartz
- Sisters in Fantasy II (1996) with Susan Shwartz
- Sisters of the Night (1995) with Barbara Hambly
- Slipstreams (2006) with John Helfers
- Smart Dragons, Foolish Elves (1991) with Alan Dean Foster
- Social Problems Through Science Fiction (1975) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Sociology Through Science Fiction (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Sol's Children (2002) with Jean Rabe
- Something Magic This Way Comes (2008) with Sarah A. Hoyt
- South from Midnight (1994) with Richard Gilliam and Thomas R. Hanlon
- Southern Blood: Vampire Stories from the American South (1997) with Lawrence Schimel
- Space Dogfights (1992) with Algis Budrys and Charles G. Waugh
- Space Dreadnoughts (1990) with David Drake and Charles G. Waugh
- Space Gladiators (1989) with David Drake and Charles G. Waugh
- Space Infantry (1989) with David Drake and Charles G. Waugh
- Space Mail (1980) with Isaac Asimov and Joseph D. Olander
- Space Mail, Volume II (1982) with Isaac Asimov and Charles G. Waugh
- Space Shuttles (1987) with Isaac Asimov and Charles G. Waugh
- Space Stations (2004) with John Helfers
- Space Wars (1988) with Poul Anderson and Charles G. Waugh
- Space-Fighters (1988) with Joe Haldeman and Charles G. Waugh
- Spaceships & Spells (1987) with Charles G. Waugh and Jane Yolen
- Spell Fantastic (2000) with Larry Segriff
- Spells (1985) with Isaac Asimov and Charles G. Waugh
- Spells of the City (2009) with Jean Rabe
- Stalkers (1989) with Ed Gorman
- Star Colonies (2000) with Ed Gorman and John Helfers
- Starfall (1999)
- Starships (1983) with Isaac Asimov and Charles G. Waugh
- Steampunk'd (2010) with Jean Rabe
- Strange Maine (1986) with Frank D. McSherry, Jr. and Charles G. Waugh
- Streets of Blood: Vampire Stories from New York City (1998) with Lawrence Schimel
- Supermen (1984) with Isaac Asimov and Charles G. Waugh
- Supernatural Sleuths: 14 Mysterious Stories of Uncanny Crime (1996) with Charles G. Waugh
- Supertanks (1987) with Joe Haldeman and Charles G. Waugh
- Tales of the Batman (1995)
- Tantalizing Locked Room Mysteries (1982) with Isaac Asimov and Charles G. Waugh
- Tarot Fantastic (1997) with Lawrence Schimel
- Terribly Twisted Tales (2009) with Jean Rabe
- Terrorists of Tomorrow (1986) with Poul Anderson and Charles G. Waugh
- The 13 Crimes of Science Fiction (1979) with Isaac Asimov and Charles G. Waugh
- The Arbor House Celebrity Book of Horror Stories (1982) with Charles G. Waugh
- The Arbor House Treasury of Great Science Fiction Short Novels (1980) with Robert Silverberg
- The Arbor House Treasury of Horror and the Supernatural (1981) with Barry N. Malzberg and Bill Pronzini
- The Arbor House Treasury of Modern Science Fiction (1980) with Robert Silverberg
- The Arbor House Treasury of Nobel Prize Winners (1983) with Charles G. Waugh
- The Arbor House Treasury of Science Fiction Masterpieces (1983) with Robert Silverberg
- The Best Alternate History Stories of the 20th Century (2001) with Harry Turtledove
- The Best Japanese Science Fiction Stories (1989) with John L. Apostolou
- The Best Military Science Fiction of the 20th Century (2001) with Harry Turtledove
- The Best Paranormal Crime Stories Ever Told (2010)
- The Best Time Travel Stories of the 20th Century (2005) with Harry Turtledove
- The Big Book of Noir (1998) with Ed Gorman and Lee Server
- The Book of Kings (1995) with Richard Gilliam
- The Bradbury Chronicles: Stories in Honor of Ray Bradbury (1991) with William F. Nolan
- The City: 2000 A.D.: Urban Life Through Science Fiction (1976) with Ralph S. Clem and Joseph D. Olander
- The Conspiracy Files (1998) with Scott H. Urban
- The Dimension Next Door (2008) with Kerrie Hughes
- The Diplomacy Guild (1990)
- The End of the World: Stories of the Apocalypse (2010)
- The Eternal City (1990) with David Drake and Charles G. Waugh
- The Fantastic Adventures of Robin Hood (1991)
- The Fantasy Hall of Fame (1983) with Robert Silverberg
- The Fortune Teller (1997) with Lawrence Schimel
- The Further Adventures of Batman (1989)
- The Further Adventures of Batman Volume 2: Featuring the Penguin (1992)
- The Further Adventures of Batman Volume 3: Featuring Catwoman (1993)
- The Further Adventures of Superman (1993)
- The Further Adventures of The Joker (1990)
- The Further Adventures of Wonder Woman (1993)
- The Further Adventures of Xena: Warrior Princess (2001)
- The Future I (1981) with Isaac Asimov and Joseph D. Olander
- The Future in Question (1980) with Isaac Asimov and Joseph D. Olander
- The Future We Wish We Had (2007) with Rebecca Lickiss
- The Golden Years of Science Fiction: Fifth Series (1985) with Isaac Asimov
- The Golden Years of Science Fiction: Fourth Series (1984) with Isaac Asimov
- The Great Science Fiction Series (1980) with Joseph D. Olander and Frederik Pohl
- The Great Science Fiction Stories Volume 1, 1939 (1979) with Isaac Asimov
- The Great Science Fiction Stories Volume 10, 1948 (1983) with Isaac Asimov
- The Great Science Fiction Stories Volume 11, 1949 (1984) with Isaac Asimov
- The Great Science Fiction Stories Volume 2, 1940 (1979) with Isaac Asimov
- The Great Science Fiction Stories Volume 3, 1941 (1980) with Isaac Asimov
- The Great Science Fiction Stories Volume 4, 1942 (1980) with Isaac Asimov
- The Great Science Fiction Stories Volume 5, 1943 (1981) with Isaac Asimov
- The Great Science Fiction Stories Volume 6, 1944 (1981) with Isaac Asimov
- The Great Science Fiction Stories Volume 7, 1945 (1982) with Isaac Asimov
- The Great Science Fiction Stories Volume 8, 1946 (1982) with Isaac Asimov
- The Great Science Fiction Stories Volume 9, 1947 (1983) with Isaac Asimov
- The Great SF Stories #13 (1951) (1985) with Isaac Asimov
- The Great SF Stories #14 (1952) (1986) with Isaac Asimov
- The Great SF Stories #15 (1953) (1986) with Isaac Asimov
- The Great SF Stories #16 (1954) (1987) with Isaac Asimov
- The Great SF Stories #17 (1955) (1988) with Isaac Asimov
- The Great SF Stories #18 (1956) (1988) with Isaac Asimov
- The Great SF Stories #19 (1957) (1989) with Isaac Asimov
- The Great SF Stories #20 (1958) (1990) with Isaac Asimov
- The Great SF Stories #21 (1959) (1990) with Isaac Asimov
- The Great SF Stories #22 (1960) (1991) with Isaac Asimov
- The Great SF Stories #23 (1961) (1991) with Isaac Asimov
- The Great SF Stories #24 (1962) (1992) with Isaac Asimov
- The Great SF Stories #25 (1963) (1992) with Isaac Asimov
- The Great SF Stories 12 (1950) (1984) with Isaac Asimov
- The Greatest Science Fiction Stories of the 20th Century (1998)
- The Haunted House: A Collection of Original Stories (1995) with Jane Yolen
- The Highest Hit and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- The Horror Hall of Fame (1991) with Robert Silverberg
- The Horse of the War God and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- The Immortals (1984) with Isaac Asimov and Charles G. Waugh
- The Last Man on Earth (1982) with Isaac Asimov and Charles G. Waugh
- The Magazine of Fantasy and Science Fiction, April 1965 (1981) with Edward L. Ferman
- The Mammoth Book of Classic Science Fiction: Short Novels of the 1930s (1988) with Isaac Asimov and Charles G. Waugh
- The Mammoth Book of Fantastic Science Fiction: Short Novels of the 1970s (1992) with Isaac Asimov and Charles G. Waugh
- The Mammoth Book of Golden Age Science Fiction: Short Novels of the 1940s (1989) with Isaac Asimov and Charles G. Waugh
- The Mammoth Book of Modern Science Fiction: Short Novels of the 1980s (1993) with Isaac Asimov and Charles G. Waugh
- The Mammoth Book of New World Science Fiction: Short Novels of the 1960s (1991) with Isaac Asimov and Charles G. Waugh
- The Mammoth Book of Vintage Science Fiction: Short Novels of the 1950s (1990) with Isaac Asimov and Charles G. Waugh
- The Mists from Beyond (1993) with Stefan Dziemianowicz and Robert Weinberg
- The Mutant Files (2001) with John Helfers
- The New Awareness (1975) with Patricia S. Warrick
- The New Hugo Winners (1989) with Isaac Asimov
- The New Hugo Winners, Volume II (1992) with Isaac Asimov
- The New Roger Caras Treasury of Great Dog Stories (1999) with Roger Caras
- The Reel Stuff (1998) with Brian M. Thomsen
- The Repentant (2003) with Brian M. Thomsen
- The Science Fiction Weight-Loss Book (1983) with Isaac Asimov and George R. R. Martin
- The Science Fictional Dinosaur (1982) with Robert Silverberg and Charles G. Waugh
- The Science Fictional Olympics (1984) with Isaac Asimov and Charles G. Waugh
- The Science Fictional Solar System (1979) with Isaac Asimov and Charles G. Waugh
- The Secret Prophecies of Nostradamus (1995) with Cynthia Sternau
- The Seven Cardinal Virtues of Science Fiction (1981) with Isaac Asimov and Charles G. Waugh
- The Seven Deadly Sins of Science Fiction (1980) with Isaac Asimov and Charles G. Waugh
- The Shimmering Door (1996) with Katharine Kerr
- The Time of the Vampires (1996) with P. N. Elrod
- The Time Travelers: A Science Fiction Quartet (1985) with Robert Silverberg
- The Twelve Frights of Christmas (1986) with Isaac Asimov and Charles G. Waugh
- The Twilight Zone: The Original Stories (1985) with Richard Matheson and Charles G. Waugh
- The UFO Files (1998) with Ed Gorman
- The Way It Wasn't: Great Science Fiction Stories of Alternate History (1996)
- The Wise Soldier of Sellebak and Other Selections by Newbery Authors (2001) with Charles G. Waugh
- Things That Go Bump in the Night (1989) with Jane Yolen
- Thinking Machines (1981) with Isaac Asimov and Charles G. Waugh
- Those Amazing Electronic Thinking Machines! (1983) with Isaac Asimov and Charles G. Waugh
- Till Death Do Us Part (1999) with Jill M. Morgan
- Time of Passage (1978) with Joseph D. Olander
- Time Twisters (2007) with Jean Rabe
- Time Warps (1984) with Isaac Asimov and Charles G. Waugh
- Time Wars (1986) with Poul Anderson and Charles G. Waugh
- Timeshares (2010) with Jean Rabe
- Tin Stars (1986) with Isaac Asimov and Charles G. Waugh
- To Sleep, Perchance to Dream... Nightmare (1993) with Stefan Dziemianowicz and Robert Weinberg
- Tomorrow's TV (1982) with Isaac Asimov and Charles G. Waugh
- Tomorrow, Inc.: SF Stories About Big Business (1976) with Joseph D. Olander
- Tough Guys & Dangerous Dames (1993) with Stefan Dziemianowicz and Robert Weinberg
- Travels Through Time (1981) with Isaac Asimov and Charles G. Waugh
- TV: 2000 (1982) with Isaac Asimov and Charles G. Waugh
- UFOs: The Greatest Stories (1996)
- Uncollected Stars (1986) with Piers Anthony and Barry N. Malzberg and Charles G. Waugh
- Unknown Worlds: Tales from Beyond (1988) with Stanley Schmidt
- Unnatural Diplomacy (1992)
- Urban Horrors (1990) with William F. Nolan
- Vampire Detectives (1995)
- Vampire Slayers: Stories of Those Who Dare to Take Back the Night (1999) with Elizabeth Ann Scarborough
- Vampires in Love: Stories with a Bite (2010) with Rosalind M. Greenberg
- Vampires: A Collection of Original Stories (1991) with Jane Yolen
- Vampires: The Greatest Stories (1997)
- Vamps: An Anthology of Female Vampire Stories (1987) with Charles G. Waugh
- Villains Victorious (2001) with John Helfers
- Virtuous Vampires (1996) with Stefan Dziemianowicz and Robert Weinberg
- Visions of Fantasy: Tales from the Masters (1989) with Isaac Asimov
- Visions of Liberty (2004) with Mark Tier
- Warrior Enchantresses (1996) with Kathleen M. Massie-Ferch
- Warrior Fantastic (2000) with John Helfers
- Warrior Princesses (1998) with Elizabeth Ann Scarborough
- Warriors of Blood and Dream (1995) with Roger Zelazny
- Weird Tales from Shakespeare (1994) with Katharine Kerr
- Weird Tales: 32 Unearthed Terrors (1988) with Stefan Dziemianowicz and Robert Weinberg
- Weird Vampire Tales (1992) with Stefan Dziemianowicz and Robert Weinberg
- Werewolves (1995)
- Werewolves: A Collection of Original Stories (1988) with Jane Yolen
- Western Ghosts: Haunting, Spine-Chilling Stories from the American West (1990) with Frank D. McSherry, Jr. and Charles G. Waugh
- Westward Weird (2012) with Kerrie Hughes
- White House Horrors (1996)
- Wild Inventions (1981) with Isaac Asimov and Charles G. Waugh
- Witch Fantastic (1995) with Mike Resnick
- Witches (1984) with Isaac Asimov and Charles G. Waugh
- Wizard Fantastic (1997)
- Wizards (1983) with Isaac Asimov and Charles G. Waugh
- Wizards, Inc. (2007) with Loren L. Coleman
- Women of the Night (2007)
- Wondrous Beginnings (2003) with Steven H Silver
- Worlds of If: A Retrospective Anthology (1986) with Joseph D. Olander and Frederik Pohl
- Yankee Witches (1988) with Frank D. McSherry, Jr. and Charles G. Waugh
- You Bet Your Planet (2005) with Brittiany A. Koren
- Young Extraterrestrials (1984) with Isaac Asimov and Charles G. Waugh
- Young Ghosts (1985) with Isaac Asimov and Charles G. Waugh
- Young Immortals (1985) with Isaac Asimov and Charles G. Waugh
- Young Monsters (1985) with Isaac Asimov and Charles G. Waugh
- Young Mutants (1984) with Isaac Asimov and Charles G. Waugh
- Young Star Travelers (1986) with Isaac Asimov and Charles G. Waugh
- Young Witches & Warlocks (1987) with Isaac Asimov and Charles G. Waugh
- Zodiac Fantastic (1997) with A. R. Morlan
- Zombie Raccoons & Killer Bunnies (2009) with Kerrie Hughes
- Zombiesque (2011) with Stephen L. Antczak and James C. Bassett
- Arthur C. Clarke (1977) with Joseph D. Olander
- Fantastic Lives: Autobiographical Essays by Notable Science Fiction Writers (1981)
- Index to Crime and Mystery Anthologies (1990) with William G. Contento
- Index to Stories in Thematic Anthologies of Science Fiction (1978) with L. W. Currey and Joseph D. Olander and Marshall B. Tymn
- Isaac Asimov (1977) with Joseph D. Olander
- No Place Else: Explorations in Utopian and Dystopian Fiction (1983) with Joseph D. Olander and Eric S. Rabkin
- Philip K. Dick (1983) with Joseph D. Olander
- Ray Bradbury (1980) with Joseph D. Olander
- Robert A. Heinlein (1978) with Joseph D. Olander
- Robert Silverberg's Many Trapdoors: Critical Essays on His Science Fiction (1992) with Charles L. Elkins
- Science Fiction and Fantasy Series and Sequels: A Bibliography (1986) with Tim Cottrill and Charles G. Waugh
- The Dean Koontz Companion (1994) with Ed Gorman and Bill Munster
- The End of the World (1983) with Joseph D. Olander and Eric S. Rabkin
- The Legacy of Olaf Stapledon (1989) with Charles L. Elkins and Patrick A. McCarthy
- Ursula K. Le Guin (1979) with Joseph D. Olander
- A Literary Death (1985)
- Carmilla (1995)
- Diminution (1981)
- "The Game of Nations": International Relations as Plaything (1978) with Joseph D. Olander
- 1950 Introduction (The Great SF Stories 12) (1984)
- 1952 Introduction (Isaac Asimov Presents the Great SF Stories #14 (1952)) (1986)
- 1954 Introduction (The Great SF Stories 16) (1987)
- 1955 Introduction (The Great SF Stories #17 (1955)) (1988)
- A Chance Remark (2010)
- A John Jakes Bibliography (1977) with Joseph D. Olander
- A Reading List of Japanese Science Fiction in English (1989) with John L. Apostolou
- About the Authors (The End of the World: Stories of the Apocalypse) (2010)
- Afterword (No Room for Man) (1979) with Ralph S. Clem and Joseph D. Olander
- Afterword to "Flowers for Algernon" (1988)
- Alien Intelligence in the Universe (1975) with Patricia S. Warrick
- An Appreciation (Elsie Wollheim) (1996)
- Appendix: The Hugo Awards [1976-1985] (1989) with Isaac Asimov
- Arms Control and Disarmament (1978) with Joseph D. Olander
- Arthur C. Clarke: A Biographical Note (1977) with Joseph D. Olander
- Author Biographies (Christmas on the Prairie) (2001) with Charles G. Waugh
- Authors' Biographies (Mardi Gras Madness: Tales of Terror and Mayhem in New Orleans) (2000) with Russell Davis
- Balance of Power (1978) with Joseph D. Olander
- Birth and Death -- Myths of Beginning and Ending (1975) with Patricia S. Warrick
- Chicago (1976) with Ralph S. Clem and Joseph D. Olander
- Communications Between Nations (1978) with Joseph D. Olander
- Conflict Resolution (1974) with Patricia S. Warrick
- Conflict Resolution: Cooperation (1978) with Joseph D. Olander
- Conflict Resolution: War (1978) with Joseph D. Olander
- Cults: An Introduction (1983) with Charles G. Waugh
- Diplomacy and International Relations (1974) with Patricia S. Warrick
- Donald A. Wollheim Appreciation (1991)
- Dystopian Visions: The Vanishing American (1976) with Ralph S. Clem and Joseph D. Olander
- Editor's Afterword (Guardian Angel) (1980)
- Elections and Electoral Behavior (1974) with Patricia S. Warrick
- Fear in the City: The Problem of Crime (1976) with Ralph S. Clem and Joseph D. Olander
- Feeding the Billions: World Food Problems (1979) with Ralph S. Clem and Joseph D. Olander
- Foreword (The Human Zero: The Science Fiction Stories of Erle Stanley Gardner) (1981) with Charles G. Waugh
- Fouling the Nest: Pollution in the City (1976) with Ralph S. Clem and Joseph D. Olander
- Frank D. McSherry, Jr.: An Appreciation (1998)
- Further Reading (1982) with Robert Silverberg and Charles G. Waugh
- Future Ghetto: Race and the City (1976) with Ralph S. Clem and Joseph D. Olander
- Geologic Time Scale (1982) with Robert Silverberg and Charles G. Waugh
- Glossary (The Science Fictional Dinosaur) (1982) with Robert Silverberg and Charles G. Waugh
- Haunted Houses: The American Nightmare (Haunted Houses: The Greatest Stories) (1997)
- Ideology and Political Philosophy (1974) with Patricia S. Warrick
- In Memoriam (1992)
- In Memoriam: Isaac Asimov (1920-1992) (Obit) (1992) with Karen Anderson and Poul Anderson and Isaac Asimov and Janet Asimov and Stanley Asimov and Ben Bova and Arthur C. Clarke and Joel Davis and Catherine Crook de Camp and L. Sprague de Camp and Harlan Ellison and Shawna McCarthy and Frederik Pohl and Carl Sagan and Stanley Schmidt and Robert Silverberg and Norman Spinrad and Sheila Williams and Connie Willis and Jane Yolen
- International Economics: Another Form of Warfare (1978) with Joseph D. Olander
- International Organizations: The Functional Approach to Peace (1978) with Joseph D. Olander
- Intervention in International Politics (1978) with Joseph D. Olander
- Introduction (100 Hair Raising Little Horror Stories) (1993) with Al Sarrantonio
- Introduction (A Treasury of Modern Fantasy) (1981) with Terry Carr
- Introduction (Arthur C. Clarke) (1977) with Joseph D. Olander
- Introduction (Car Sinister) (1979) with Joseph D. Olander and Robert Silverberg
- Introduction (Catfantastic II) (1991) with Andre Norton
- Introduction (Children of the Night) (1999)
- Introduction (Criminal Justice Through Science Fiction) (1977) with Joseph D. Olander
- Introduction (Dawn of Time) (1979) with Joseph D. Olander and Robert Silverberg
- Introduction (Dragons and Dreams) (1986) with Charles G. Waugh and Jane Yolen
- Introduction (Dragons: The Greatest Stories) (1997)
- Introduction (Elf Fantastic) (1997)
- Introduction (Elf Magic) (1997)
- Introduction (Frankenstein: The Monster Wakes) (1993)
- Introduction (Great Tales of Science Fiction) (1983) with Robert Silverberg
- Introduction (International Relations Through Science Fiction) (1978) with Joseph D. Olander
- Introduction (Isaac Asimov Presents the Golden Years of Science Fiction: Sixth Series) (1984)
- Introduction (Isaac Asimov) (1977) with Joseph D. Olander
- Introduction (Love 3000) (1980) with Charles G. Waugh
- Introduction (Marriage and the Family Through Science Fiction) (1976) with Val Clear and Joseph D. Olander and Patricia S. Warrick
- Introduction (Mummy Stories) (1990)
- Introduction (Murder for Father) (1994)
- Introduction (My Favorite Fantasy Story) (2000)
- Introduction (My Favorite Horror Story) (2000) with Mike Baker
- Introduction (My Favorite Science Fiction Story) (1999)
- Introduction (Nightmares on Elm Street: Freddy Krueger's Seven Sweetest Dreams) (1991)
- Introduction (On the Diamond: A Treasury of Baseball Stories) (1987)
- Introduction (Once Upon a Crime) (1998) with Ed Gorman
- Introduction (Other Times, Other Worlds) (1978)
- Introduction (Political Science Fiction) (1974) with Patricia S. Warrick
- Introduction (Run to Starlight, Sports Through Science Fiction) (1976) with Joseph D. Olander and Patricia S. Warrick
- Introduction (Sci-Fi Private Eye) (1997) with Charles G. Waugh
- Introduction (Science Fiction of the Fifties) (1979) with Joseph D. Olander
- Introduction (Science Fiction Origins) (1980) with William F. Nolan
- Introduction (Social Problems Through Science Fiction) (1975) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction (Sociology Through Science Fiction) (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction (The Arbor House Treasury of Great Science Fiction Short Novels) (1980) with Robert Silverberg
- Introduction (The Arbor House Treasury of Modern Science Fiction) (1980) with Robert Silverberg
- Introduction (The Arbor House Treasury of Science Fiction Masterpieces) (1983) with Robert Silverberg
- Introduction (The Best of John Jakes) (1977) with Joseph D. Olander
- Introduction (The Classic Philip José Farmer, 1952-1964) (1984)
- Introduction (The Classic Philip José Farmer, 1964-1973) (1984)
- Introduction (The Fantastic Saint) (1982)
- Introduction (The Further Adventures of Xena: Warrior Princess) (2001)
- Introduction (The Golden Years of Science Fiction (Second Series)) (1983) with Isaac Asimov
- Introduction (The Golden Years of Science Fiction: Fourth Series) (1984)
- Introduction (The Great Science Fiction Stories Volume 10, 1948) (1983)
- Introduction (The Great Science Fiction Stories Volume 4, 1942) (1980)
- Introduction (The Great Science Fiction Stories Volume 6, 1944) (1981)
- Introduction (The Great Science Fiction Stories Volume 7, 1945) (1982)
- Introduction (The Great Science Fiction Stories Volume 8, 1946) (1982)
- Introduction (The Great Science Fiction Stories Volume 9, 1947) (1983)
- Introduction (The Great SF Stories #13 (1951)) (1985)
- Introduction (The Great SF Stories #15 (1953)) (1986)
- Introduction (The Great SF Stories #19 (1957)) (1989)
- Introduction (The Great SF Stories #20 (1958)) (1990)
- Introduction (The Great SF Stories #21 (1959)) (1990)
- Introduction (The Great SF Stories #22 (1960)) (1991)
- Introduction (The Great SF Stories #23 (1961)) (1991)
- Introduction (The Great SF Stories #24 (1962)) (1992)
- Introduction (The Great SF Stories #25 (1963)) (1992)
- Introduction (The Great SF Stories 1 (1939)) (1979)
- Introduction (The Great SF Stories 18 (1956)) (1988)
- Introduction (The Great SF Stories 2 (1940)) (1979)
- Introduction (The Great SF Stories 3 (1941)) (1980)
- Introduction (The Great SF Stories 5 (1943)) (1981)
- Introduction (The New Awareness) (1975) with Patricia S. Warrick
- Introduction (The Science Fictional Dinosaur) (1982) with Robert Silverberg and Charles G. Waugh
- Introduction (The Seven Cardinal Virtues of Science Fiction) (1981)
- Introduction (The Seven Deadly Sins of Science Fiction) (1980)
- Introduction (Tomorrow, Inc.) (1976) with Joseph D. Olander
- Introduction (Urban Horrors) (1990) with William F. Nolan
- Introduction (Ursula K. Le Guin) (1979) with Joseph D. Olander
- Introduction (Vampire Slayers: Stories of Those Who Dare to Take Back the Night) (1999) with Elizabeth Ann Scarborough
- Introduction (Vampires: The Greatest Stories) (1997)
- Introduction (Wizard Fantastic) (1997)
- Introduction (Worlds Imagined) (1989) with Robert Silverberg
- Introduction 1949 (The Great Science Fiction Stories Volume 11, 1949) (1984)
- Introduction: "Horror and the Hearth of Darkness" (House Shudders) (1987)
- Introduction: A Canticle for Leibowitz (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: A Day in the Suburbs (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Birthright (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Deeper Than the Darkness (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Deviance (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Gadget Vs. Trend (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Generation Gaps (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Integration Module (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Lost Newton (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Misinformation (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Nobody Lives on Bourbon Street (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Of Course (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Pigeon City (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Positive Feedback (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Primary Education of the Camiroi (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Psychology and Science Fiction (1977) with Harvey A. Katz and Patricia S. Warrick
- Introduction: Single Combat (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Slow Tuesday Night (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: The Monster Tour (A Treasury of American Horror Stories) (1985) with Frank D. McSherry, Jr. and Charles G. Waugh
- Introduction: The Pedestrian (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: The Population Problem (1979) with Ralph S. Clem and Joseph D. Olander
- Introduction: The Shaker Revival (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Total Environment (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Two's Company (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Introduction: Why the City? (1976) with Ralph S. Clem and Joseph D. Olander
- Isaac Asimov Appreciation (1992)
- Jack Sharkey (1992) with Barry N. Malzberg
- Jesting Pilot (1976) with Ralph S. Clem and Joseph D. Olander
- John D. MacDonald: An Appreciation (1987)
- Letter (Delap's F & SF Review #12) (1976) with Patricia S. Warrick
- Letter (Locus #214) (1978)
- Letter (Locus #240) (1980)
- Letter (Locus #243) (1981)
- Letter (Locus #245) (1981)
- Letter (Locus #330) (1988)
- Letter (Locus #380) (1992)
- Moral Behavior (1975) with Patricia S. Warrick
- Nationalism (1978) with Joseph D. Olander
- Newbery Award-Winning Books (Christmas on the Prairie) (2001) with Charles G. Waugh
- Of Dreams and Nightmares: Visions of the City (1976) with Ralph S. Clem and Joseph D. Olander
- Platform Statements for SFRA Election, 1984: Vice President (1984) with Stephen H. Goldman
- Political Leadership (1974) with Patricia S. Warrick
- Political Violence and Revolution (1974) with Patricia S. Warrick
- Population and Urban Life (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Population Growth: Social Consequences of Too Many People (1979) with Ralph S. Clem and Joseph D. Olander
- Population: Impact on the Environment and Resources (1979) with Ralph S. Clem and Joseph D. Olander
- Postscript to the Introduction (Beyond Armageddon) (2006)
- Preface (American Government Through Science Fiction) (1974) with Joseph D. Olander and Patricia S. Warrick
- Preface (Anthropology Through Science Fiction) (1974) with Carol Mason and Patricia S. Warrick
- Preface (Fantastic Lives: Autobiographical Essays by Notable Science Fiction Writers) (1981)
- Preface (Index to Stories in Thematic Anthologies of Science Fiction) (1978) with L. W. Currey and Joseph D. Olander and Marshall B. Tymn
- Preface (Introductory Psychology Through Science Fiction) (1974) with Harvey A. Katz and Patricia S. Warrick
- Preface (Political Science Fiction) (1974) with Patricia S. Warrick
- Preface (Robert Silverberg's Many Trapdoors: Critical Essays on His Science Fiction) (1992) with Charles L. Elkins
- Preface (The Arbor House Celebrity Book of Horror Stories) (1982) with Charles G. Waugh
- Preface (The New Awareness) (1975) with Patricia S. Warrick
- Primitive Religion (1975) with Patricia S. Warrick
- Psychological Warfare (1978) with Joseph D. Olander
- Regeneration and New Beginnings (1975) with Patricia S. Warrick
- Religious Institutions -- Future (1975) with Patricia S. Warrick
- Religious Institutions -- Past (1975) with Patricia S. Warrick
- Rivers of Asphalt, Oceans of Concrete: Transportation Problems (1976) with Ralph S. Clem and Joseph D. Olander
- Robert P. Mills Appreciation (1986)
- Selected Bibliography (Arthur C. Clarke) (1977) with Joseph D. Olander
- Selected Mesozoic Reptiles (1982) with Robert Silverberg and Charles G. Waugh
- Self and Society (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Short Fiction Round Table (2007) with Ben Bova and Ellen Datlow and Bill Fawcett
- Social Differentiation (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Social Institutions (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Social Organization and Culture (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Solutions? (1979) with Ralph S. Clem and Joseph D. Olander
- Teaching Political Science Fiction (1980) with Joseph D. Olander
- The Apocalyptic Vision of the End (1975) with Patricia S. Warrick
- The Arms Race (1978) with Joseph D. Olander
- The Art of Diplomacy (1978) with Joseph D. Olander
- The Authors (Amazing Science Fiction Anthology: The War Years 1936-1945) (1987)
- The Authors (Amazing Science Fiction Anthology: The Wonder Years 1926-1935) (1987)
- The City as a Way of Life: New York A.D. 2660 (1976) with Ralph S. Clem and Joseph D. Olander
- The Competition for Space (1976) with Ralph S. Clem and Joseph D. Olander
- The Concept of National Power (1978) with Joseph D. Olander
- The Fall From Innocence (1975) with Patricia S. Warrick
- The Grass is Always Greener: The Flight to the Suburbs (1976) with Ralph S. Clem and Joseph D. Olander
- The Mystery Tour (1989) with Frank D. McSherry, Jr. and Charles G. Waugh
- The Need to Believe (1975) with Patricia S. Warrick
- The Power of Love (1975) with Patricia S. Warrick
- The Power of the Religious Vision (1975) with Patricia S. Warrick
- The Problem of Good and Evil -- A Taoistic View (1975) with Patricia S. Warrick
- The Purpose of Man (1975) with Patricia S. Warrick
- The Science Fiction Anthology Market (1994) with Richard Gilliam
- The Study of Society (1974) with John W. Milstead and Joseph D. Olander and Patricia S. Warrick
- Transcendence: The Future of Religion (1975) with Patricia S. Warrick
- Utopian Visions: Street of Drams, Feet of Clay (1976) with Ralph S. Clem and Joseph D. Olander
- Utopias and Dystopias (1978) with Joseph D. Olander and Frederik Pohl
- Vorwort (Die besten Stories von 1942) [German] (1981) with Isaac Asimov
- Vorwort (Die besten Stories von 1943) [German] (1982) with Isaac Asimov
- Yesterday's Dreams, Today's Problems, Tomorrow's Nightmares? (1976) with Ralph S. Clem and Joseph D. Olander
- Martin H. Greenberg: July 6, 1997 (2001) by Beth Gwinn and Stanley Wiater
Non-Genre Titles
Anthologies
- 100 Crooked Little Crime Stories (1994) with Stefan Dziemianowicz and Robert Weinberg
- 100 Malicious Little Mysteries (1981) with Isaac Asimov and Joseph D. Olander
- Cat Crimes (1991) with Ed Gorman
- Cat Crimes II (1992) with Ed Gorman
- Cat Crimes III (1992) with Ed Gorman
- Cloak and Dagger: A Treasury of 35 Great Espionage Stories (1988) with Bill Pronzini
- First to Fight (1999)
- Murder for Father (1994)
- Murder for Mother (1994)
- Murder Most Scottish (1999) with Bob Adey and Stefan Dziemianowicz and Ed Gorman
- On the Diamond: A Treasury of Baseball Stories (1987)
- Solved (1991) with Ed Gorman
- The World's Finest Mystery & Crime Stories: Second Annual Collection (2001) with Ed Gorman
- The World's Finest Mystery and Crime Stories: Fifth Annual Collection (2004) with Ed Gorman
- The World's Finest Mystery and Crime Stories: Fourth Annual Collection (2003) with Ed Gorman
- The World's Finest Mystery and Crime Stories: Third Annual Collection (2002) with Ed Gorman