* xi Introduction: What Again? (1985) essay by Isaac Asimov
* 5 Home is the Hangman [Nemo] (1975) novella by Roger Zelazny
* 62 The Borderland of Sol [Known Space] (1975) novelette by Larry Niven
* 103 Catch That Zeppelin! (1975) shortstory by Fritz Leiber
* 125 By Any Other Name (1976) novella by Spider Robinson
* 177 Houston, Houston, Do You Read? (1976) novella by James Tiptree, Jr.
* 229 The Bicentennial Man (1976) novelette by Isaac Asimov
* 267 Tricentennial (1976) shortstory by Joe Haldeman
* 289 Stardance [Stardance] (1977) novella by Spider Robinson and Jeanne Robinson
* 346 Eyes of Amber (1977) novelette by Joan D. Vinge
* 382 Jeffty Is Five (1977) shortstory by Harlan Ellison
* 405 The Persistence of Vision (1978) novella by John Varley
* 450 Hunter's Moon (1978) novelette by Poul Anderson
* 488 Cassandra (1978) shortstory by C. J. Cherryh
* 5 Home is the Hangman [Nemo] (1975) novella by Roger Zelazny
* 62 The Borderland of Sol [Known Space] (1975) novelette by Larry Niven
* 103 Catch That Zeppelin! (1975) shortstory by Fritz Leiber
* 125 By Any Other Name (1976) novella by Spider Robinson
* 177 Houston, Houston, Do You Read? (1976) novella by James Tiptree, Jr.
* 229 The Bicentennial Man (1976) novelette by Isaac Asimov
* 267 Tricentennial (1976) shortstory by Joe Haldeman
* 289 Stardance [Stardance] (1977) novella by Spider Robinson and Jeanne Robinson
* 346 Eyes of Amber (1977) novelette by Joan D. Vinge
* 382 Jeffty Is Five (1977) shortstory by Harlan Ellison
* 405 The Persistence of Vision (1978) novella by John Varley
* 450 Hunter's Moon (1978) novelette by Poul Anderson
* 488 Cassandra (1978) shortstory by C. J. Cherryh
