Contents (view Concise Listing)

• 7 • Introduction (Space Opera) • (1974) • essay by Brian W. Aldiss
• 13 • Is Everything an Illusion? • (1974) • essay by Brian W. Aldiss
• 18 • Zirn Left Unguarded, the Jenghik Palace in Flames, Jon Westerley Dead • (1972) • short story by Robert Sheckley
• 23 • Honeymoon in Space (excerpt) • [Stories of Other Worlds] • (1968) • short fiction by George Griffith
• 31 • The Red Brain • (1927) • short story by Donald Wandrei
• 40 • Tonight the Sky Will Fall • [Tarl Brent] • (1952) • novella by Daniel F. Galouye (variant of Tonight the Sky Will Fall!)
• 107 • "Precipices of Light That Went Forever Up ...." • (1974) • essay by Brian W. Aldiss
• 111 • The Star of Life • (1947) • short story by Edmond Hamilton
• 127 • After Ixmal • (1962) • short story by Jeff Sutton
• 139 • Sea Change • (1956) • short story by Thomas N. Scortia
• 153 • Exile Is Our Lot • (1974) • essay by Brian W. Aldiss
• 158 • Breaking Point • (1953) • novelette by James E. Gunn
• 205 • The Sword of Rhiannon (Excerpt) • (1949) • short fiction by Leigh Brackett
• 220 • All Summer in a Day • [All Summer in a Day] • (1954) • short story by Ray Bradbury
• 226 • The Mitr • (1953) • short story by Jack Vance
• 233 • The Godlike Machines • (1974) • essay by Brian W. Aldiss
• 238 • The Storm • [Mixed Men] • (1943) • novelette by A. E. van Vogt
• 272 • The Paradox Men • (1949) • novelette by Charles L. Harness [as by Charles Harness]
• 304 • Time Fuze • (1954) • short story by Randall Garrett
• 309 • The Last Question • [Multivac] • (1956) • short story by Isaac Asimov
• 323 • Answer • (1954) • short story by Fredric Brown
• 324 • Envoi (Space Opera) • (1974) • essay by Brian W. Aldiss