| 1965 | Dune | Frank Herbert |
| 1966 | Flowers for Algernon | Daniel Keys |
| 1966 | Babel-17 | Samuel R. Delany |
| 1967 | The Einstein Intersection | Samuel R. Delany |
| 1968 | Rite of Passage | Alexei Panshin |
| 1969 | The Left Hand of Darkness | Ursula K. Le Guin |
| 1970 | Ringworld | Larry Niven |
| 1971 | A Time of Changes | Robert Silverberg |
| 1972 | The Gods Themselves | Isaac Asimov |
| 1973 | Rendezvous with Rama | Arthur C. Clarke |
| 1974 | The Dispossessed | Ursula K. Le Guin |
| 1975 | The Forever War | Joe Haldeman |
| 1976 | Man Plus | Frederik Pohl |
| 1977 | Gateway | Frederik Pohl |
| 1978 | Dream Snake | Vonda N. McIntyre |
| 1979 | The Fountains of Paradise | Arthur C. Clarke |
| 1980 | Timescape | Gregory Benford |
| 1981 | The Claw of the Conciliator | Gene Wolfe |
| 1982 | No Enemy But Time | Michael Bishop |
| 1983 | Startide Rising | David Brin |
| 1984 | Neuromancer | William Gibson |
| 1985 | Ender's Game | Orson Scott Card |
| 1986 | Speaker for the Dead | Orson Scott Card |
| 1987 | The Falling Woman | Pat Murphy |
| 1988 | Falling Free | Lois McMaster Bujold |
| 1989 | The Healer's War | Elizabeth Scarborough |
| 1990 | Tehanu | Ursula K. Le Guin |
| 1991 | Stations of the Tide | Michael Swanwick |
| 1992 | Doomsday Book | Connie Willis |
| 1993 | Red Mars | Kim Stanley Robinson |
| 1994 | Moving Mars | Greg Bear |
| 1995 | The Terminal Experiment | Robert J. Sawyer |
| 1996 | Slow River | Nicola Griffith |
| 1997 | The Moon and the Sun | Vonda N. McIntyre |
| 1998 | Forever Peace | Joe Haldeman |
| 1999 | Parable of the Talents | Octavia E. Butler |
| 2000 | Darwin's Radio | Greg Bear |
Last updated: October 19, 2001