| 1965 |
Novel |
Dune |
Frank Herbert |
| Short Story | "'Repent, Harlequin!',
Said the Ticktockman" | Harlan Ellison |
| 1966 | Novelette | "The Last Castle" | Jack Vance |
| 1967 | Novelette | "Gonna Roll the Bones" | Fritz Leiber |
| 1969 | Novel | The Left Hand of Darkness | Ursula K. Le Guin |
| Short Work | "Time Considered as a Helix
of Semi-Precious Stones" | Samuel R. Delany |
| 1970 | Novel | Ringworld | Larry Niven |
| Novella | "Ill Met in Lankhmar" | Fritz Leiber |
| Short Work | "Slow Sculpture" | Theodore Sturgeon |
| 1971 | Short Work | "Queen of Air and Darkness" | Poul Anderson |
| 1972 | Novel | The Gods Themselves | Isaac Asimov |
| Novelette | "Goat Song" | Poul Anderson |
| 1973 | Novel | Rendezvous With Rama | Arthur C. Clarke |
| 1974 | Novel | The Dispossessed | Ursula K. Le Guin |
| 1975 | Novel | The Forever War | Joe Haldeman |
| Novella | "Home Is the Hangman" | Roger Zelazny |
| Short Story | "Catch That Zeppelin!" | Fritz Leiber |
| 1976 | Novella | "Houston, Houston,
Do You Read?" | James Tiptree, Jr. |
| Novelette | "The Bicentennial Man" | Isaac Asimov |
| 1977 | Novel | Gateway | Frederik Pohl |
| Novella | "Stardance" | Spider & Jeanne Robinson |
| Short Story | "Jeffty Is Five" | Harlan Ellison |
| 1978 | Novel | Dreamsnake | Vonda McIntyre |
| Novella | "The Persistence of Vision" | John Varley |
| 1979 | Novel | The Fountains of Paradise | Arthur C. Clarke |
| Novella | "Enemy Mine" | Barry B. Longyear |
| Novelette | "Sandkings" | George R.R. Martin |