| 1969 | | My Rating |
| Stand on Zanzibar | John Brunner |
| Nova | Samuel R Delany |
| Past Master | R A Lafferty |
| Rite of Passage | Alexei Panshin |  | |
| The Goblin Reservation | Clifford D Simak |
| 1968 |
| The Butterfly Kid | Chester Anderson | | | |
| Chthon | Piers Anthony |
| The Einstein Intersection | Samuel R Delany | |
| Thorns | Robert Silverberg |
| Lord of Light | Roger Zelazny |
| 1967 |
| Babel-17 | Samuel R Delany |
| Too Many Magicians | Randall Garrett |
| The Moon is a Harsh Mistress | Robert A Heinlein |
| Flowers for Algernon | Daniel Keyes |
| The Witches of Karres | James H. Schmitz |
| Day of the Minotaur | Thomas Burnett Swann |
| 1966 |
| Squares of the City | John Brunner |
| The Moon is a Harsh Mistress | Robert A. Heinlein |
| Dune | Frank Herbert | | | |
| Skylark DuQuesne | E. E. Smith |
| ... And Call Me Conrad | Roger Zelazny |
| 1965 |
| The Whole Man | John Brunner |
| The Wanderer | Fritz Leiber |
| Davy | Edgar Pangborn |
| The Planet Buyer | Cordwainer Smith |
| 1964 |
| Glory Road | Robert A Heinlein |
| Dune World | Frank Herbert |
| Witch World | Andre Norton |
| Way Station | Clifford D Simak |
| Cat's Cradle | Kurt Vonnegut, Jr. |
| 1963 |
| Sword of Aldones | Marion Zimmer Bradley |
| A Fall of Moondust | Arthur C Clarke |
| The Man in the High Castle | Philip K Dick |
| Little Fuzzy | H. Beam Piper |
| Sylva | Vercors |
| 1962 |
| Dark Universe | Daniel F Galouye |
| A Sense of Obligation | Harry Harrison |
| Stranger in a Strange Land | Robert A Heinlein |
| The Fisherman | Clifford D Simak |
| Second Ending | James White |
| 1961 |
| The High Crusade | Poul Anderson |
| Rogue Moon | Algis Budrys | | | | |
| Deathworld | Harry Harrison |
| A Canticle for Leibowitz | Walter M Miller, Jr. |
| Venus Plus X | Theodore Sturgeon |
| 1960 |
| Dorsai! | Gordon R Dickson |
| Starship Troopers | Robert A Heinlein |
| The Pirates of Ersatz | Murray Leinster |
| That Sweet Little Old Lady | Mark Phillips |
| The Sirens of Titan | Kurt Vonnegut, Jr. |