| 1959 | My Rating | |||||
| We Have Fed Our Seas | Poul Anderson | |||||
| A Case of Conscience | James Blish | |||||
| Who? | Algis Budrys | |||||
| Have Spacesuit -- Will Travel | Robert A Heinlein | |||||
| Time Killer | Robert Sheckley | |||||
| 1958 | ||||||
| The Big Time | Fritz Leiber | |||||
| 1957 | ||||||
| No Award Given | ||||||
| 1956 | ||||||
| Double Star | Robert A Heinlein | |||||
| Not This August | C.M. Kornbluth | |||||
| The End of Eternity | Isaac Asimov | |||||
| The Long Tomorrow | Leigh Brackett | ![]() | ![]() | ![]() | ![]() | ![]() |
| Three to Conquer | Eric Frank Russell | |||||
| 1955 | ||||||
| They'd Rather Be Right | Frank Riley and Mark Clifton | |||||
| 1953 | ||||||
| The Demolished Man | Alfred Bester | |||||