Contents (view Concise Listing)

• A Word or Two from Janet • (1989) • essay by Janet Asimov [as by Janet Jeppson Asimov]
• Fifty Years • (1989) • essay by Isaac Asimov
• Balance • [Susan Calvin] • (1989) • short story by Mike Resnick
• Blot • [The Positronic Robot Stories] • (1989) • novelette by Hal Clement
• Carhunters of the Concrete Prairie • [The Positronic Robot Stories] • (1989) • novella by Robert Sheckley
• Dilemma • [The Positronic Robot Stories] • (1989) • short story by Connie Willis
• Foundation's Conscience • [Foundation] • (1989) • short story by George Zebrowski
• Maureen Birnbaum After Dark • [Maureen Birnbaum] • (1989) • short story by George Alec Effinger
• Murder in the Urth Degree • [Wendell Urth] • (1989) • short story by Edward Wellen
• PAPPI • [The Positronic Robot Stories] • (1989) • short story by Sheila Finch
• Plato's Cave • [The Positronic Robot Stories] • (1989) • novelette by Poul Anderson
• Preface (Foundation's Friends) • (1989) • essay by Ray Bradbury
• Second Preface: The Nonmetallic Isaac or It's a Wonderful Life • (1989) • essay by Ben Bova
• Strip-Runner • [The Positronic Robot Stories] • (1989) • novelette by Pamela Sargent
• The Asenion Solution • [Thiotimoline] • (1989) • short story by Robert Silverberg
• The Fourth Law of Robotics • [The Positronic Robot Stories] • (1989) • short story by Harry Harrison
• The Originist • [Foundation] • (1989) • novella by Orson Scott Card
• The Overheard Conversation • [Black Widowers] • (1989) • short story by Edward D. Hoch
• The Present Eternal • (1989) • short story by Barry N. Malzberg
• The Reunion at the Mile-High • (1989) • short story by Frederik Pohl
• Trantor Falls • [Foundation] • (1989) • short story by Harry Turtledove