| 1979 | | My Rating |
| The Faded Sun: Kesrith | C J Cherryh |
| The White Dragon | Anne McCaffrey |
| Dreamsnake | Vonda N McIntyre |
| Blind Voices | Tom Reamy |
| 1978 |
| The Forbidden Tower | Marion Zimmer Bradley |
| Time Storm | Gordon R Dickson |
| Dying of the Light | George R R Martin |
| Lucifer's Hammer | Jerry Pournelle and Larry Niven |
| Gateway | Frederik Pohl |
| 1977 |
| Mindbridge | Joe Haldeman |
| Children of Dune | Frank Herbert |  | | |
| Man Plus | Frederik Pohl | | | | |
| Shadrach in the Furnace | Robert Silverberg |
| Where Late the Sweet Birds Sang | Kate Wilhelm | | | | |
| 1976 |
| Extro | Alfred Bester |
| The Forever War | Joe Haldeman | | | | |
| Inferno | Jerry Pournelle and Larry Niven |
| The Stochastic Man | Robert Silverberg |
| Doorways in the Sand | Roger Zelazny |
| 1975 |
| Fire Time | Poul Anderson |
| Flow My Tears, The Policeman Said | Philip K. Dick |
| The Dispossessed | Ursula K. Le Guin |
| The Mote in God's Eye | Jerry Pournelle and Larry Niven |
| Inverted World | Christopher Priest |
| 1974 |
| The People of the Wind | Poul Anderson |
| Rendezvous With Rama | Arthur C. Clarke | | | | |
| The Man Who Folded Himself | David Gerrold |
| Time Enough for Love | Robert A. Heinlein |
| Protector | Larry Niven |
| 1973 |
| There Will Be Time | Poul Anderson |
| The Gods Themselves | Isaac Asimov |
| When Harlie Was One | David Gerrold |
| The Book of Skulls | Robert Silverberg |
| Dying Inside | Robert Silverberg |
| A Choice of Gods | Clifford D. Simak |
| 1972 |
| To Your Scattered Bodies Go | Philip José Farmer |
| The Lathe of Heaven | Ursula K. Le Guin |
| Dragonquest | Anne McCaffrey |
| A Time of Changes | Robert Silverberg |
| Jack of Shadows | Roger Zelazny |
| 1971 |
| Tau Zero | Poul Anderson |
| Star Light | Hal Clement |
| Ringworld | Larry Niven |
| Tower of Glass | Robert Silverberg |
| The Year of the Quiet Sun | Wilson Tucker |
| 1970 |
| Macroscope | Piers Anthony |
| The Left Hand of Darkness | Ursula K. Le Guin | | |
| Up the Line | Robert Silverberg |
| Bug Jack Barron | Norman Spinrad |
| Slaughterhouse Five | Kurt Vonnegut, Jr. | | |