| ANNEE | AUTEUR | TITRE |
| 1946 | Isaac Asimov | The Mule |
| 1953 | Alfred Bester | The Demolished Man |
| 1955 | Mark Clifton and Frank Riley | They'd Rather Be Right |
| 1956 | Robert A. Heinlein | Double Star |
| 1958 | Fritz Leiber | Time |
| 1959 | James Blish | A Case of Conscience |
| 1960 | Robert A. Heinlein | Starship Troopers |
| 1961 | Walter M. Miller Jr. | A Canticle for Leibowitz |
| 1962 | Robert A. Heinlein | Stranger in a Strange Land |
| 1963 | Philip K. Dick | The Man in the High Castle |
| 1964 | Clifford D. Simak | Way Station |
| 1965 | Fritz Leiber | The Wanderer |
| 1966 ex-aeco | Roger Zelazny | The Big And Call Me Conrad |
| 1966 ex-aeco | Frank Herbert | Dune |
| 1967 | Robert A. Heinlein | The Moon Is a Harsh Mistress |
| 1968 | Roger Zelazny | Lord of Light |
| 1969 | John Brunner | Stand on Zanzibar |
| 1970 | Ursula K. Le Guin | The Left Hand of Darkness |
| 1971 | Larry Niven | Ringworld |
| 1972 | Philip José Farmer | To Your Scattered Bodies Go |
| 1973 | Isaac Asimov | The Gods Themselves |
| 1974 | Arthur C. Clarke | Rendezvous with Rama |
| 1975 | Ursula K. Le Guin | The Dispossessed |
| 1976 | Joe Haldeman | The Forever War |
| 1977 | Kate Wilhelm | Where Late the Sweet Birds Sang |
| 1978 | Frederik Pohl | Gateway |
| 1979 | Vonda McIntyre | Dreamsnake |
| 1980 | Arthur C. Clarke | The Fountains of Paradise |
| 1981 | Joan D. Vinge | The Snow Queen |
| 1982 | C. J. Cherryh | Downbelow Station |
| 1983 | Isaac Asimov | Foundation's Edge |
| 1984 | David Brin | Startide Rising |
| 1985 | William Gibson | Neuromancer |
| 1986 | Orson Scott Card | Ender's Game |
| 1987 | Orson Scott Card | Speaker for the Dead |
| 1988 | David Brin | The Uplift War |
| 1989 | C. J. Cherryh | Cyteen |
| 1990 | Dan Simmons | Hyperion |
| 1991 | Lois McMaster Bujold | The Vor Game |
| 1992 | Lois McMaster Bujold | Barrayar |
| 1993 ex-aeco | Vernon Vinge | A Fire Upon the Deep |
| 1993 ex-aeco | Connie Willis | Doomsday Book |
| 1994 | Kim Stanley Robinson | Green Mars |
| 1995 | Lois McMaster Bujold | Mirror Dance |
| 1996 | Neal Stephenson | The Diamond Age |
| 1997 | Kim Stanley Robinson | Blue Mars |
| 1998 | Joe Haldeman | Forever Peace |
| 1999 | Connie Willis | To Say Nothing of the Dog |
| ANNEE | AUTEUR | TITRE |
| 1946 | George Orwell | Animal Farm |
| 1968 ex-aeco | Philip José Farmer | Riders of the Purple Wage |
| 1968 ex-aeco | Anne McCaffrey | Weyr Search |
| 1969 | Robert Silverberg | Nightwings |
| 1970 | Fritz Leiber | Ship of Shadows |
| 1971 | Fritz Leiber | Ill Met in Lankhmar |
| 1972 | Poul Anderson | The Queen of Air and Darkness |
| 1973 | Ursula K. Le Guin | The Word for World Is Forest |
| 1974 | James Tiptree Jr. | The Girl Who Was Plugged In |
| 1975 | George R. R. Martin | A Song for Lya |
| 1976 | Roger Zelazny | Home Is the Hangman |
| 1977 ex-aeco | Spider Robinson | By Any Other Name |
| 1977 ex-aeco | James Tiptree Jr. | Houston Houston Do You Read ? |
| 1978 | Spider and Jeanne Robinson | Stardance |
| 1979 | John Varley | The Persistence of Vision |
| 1980 | Barry B. Longyear | Enemy Mine |
| 1981 | Gordon R. Dickson | Lost Dorsai |
| 1982 | Poul Anderson | The Saturn Game |
| 1983 | Joanna Russ | Souls |
| 1984 | Timothy Zahn | Cascade Point |
| 1985 | John Varley | Press Enter n |
| 1986 | Roger Zelazny | Twenty-four Views of Mount Fuji |
| 1987 | Robert Silverberg | Gilgamesh in the Outback |
| 1988 | Orson Scott Card | Eye for Eye |
| 1989 | Connie Willis | The Last of the Winnebagos |
| 1990 | Lois McMaster Bujold | The Mountains of Mourning |
| 1991 | Joe Haldeman | The Hemingway Hoax |
| 1992 | Nancy Kress | Beggars in Spain |
| 1993 | Lucius Shepard | Barnacle Bill the Spacer |
| 1994 | Harry Turtledove | Down in the Bottomlands |
| 1995 | Mike Resnick | Seven Views of Olduvai Gorge |
| 1996 | Allen Steele | The Death of Captain Future |
| 1997 | George R. R. Martin | Blood of The Dragon |
| 1998 | Allen Steele | Where Angels Fear To Tread |
| 1999 | Greg Egan | Oceanic |
| ANNEE | AUTEUR | TITRE |
| 1946 | Hal Clement | Uncommon Sense |
| 1955 | Eric Frank Russell | Allamagoosa |
| 1956 | Arthur C. Clarke | The Star |
| 1958 | Avram Davidson | Or All the Seas With Oysters |
| 1959 | Robert Bloch | That Hell-Bound Train |
| 1960 | Daniel Keyes | Flowers for Algernon |
| 1961 | Poul Anderson | The Longest Voyage |
| 1962 | Brian W. Aldiss | the Hothouse series |
| 1963 | Jack Vance | The Dragon Masters |
| 1964 | Poul Anderson | No Truce with Kings |
| 1965 | Gordon R. Dickson | Soldier Ask Not |
| 1966 | Harlan Ellison | Repent Harlequin ! Said the Ticktockman |
| 1967 | Larry Niven | Neutron Star |
| 1968 | Harlan Ellison | I Have No Mouth and I Must Scream |
| 1969 | Harlan Ellison | The Beast That Shouted Love at the Heart of the World |
| 1970 | Samuel R. Delany | Time Considered as a Helix of Semi-Precious Stones |
| 1971 | Theodore Sturgeon | Slow Sculpture |
| 1972 | Larry Niven | Inconstant Moon |
| 1973 ex-aeco | R. A Lafferty | Eurema's Dam |
| 1973 ex-aeco | Frederik Pohl and C. M. Kornbluth | The Meeting |
| 1974 | Ursula K. Le Guin | The Ones Who Walk Away from Omelas |
| 1975 | Larry Niven | The Hole Man |
| 1976 | Fritz Leiber | Catch That Zeppelin! |
| 1977 | Joe Haldeman | Tricentennial |
| 1978 | Harlan Ellison | Jeffty Is Five |
| 1979 | C. J. Cherryh | Cassandra |
| 1980 | George R. R. Martin | The Way of Cross and Dragon |
| 1981 | Clifford D. Simak | Grotto of the Dancing Deer |
| 1982 | John Varley | The Pusher |
| 1983 | Spider Robinson | Melancholy Elephants |
| 1984 | Octavia Butler | Speech Sounds |
| 1985 | David Brin | The Crystal Spheres |
| 1986 | Frederik Pohl | Fermi and Frost |
| 1987 | Greg Bear | Tangents |
| 1988 | Lawrence Watt-Evans | Why I Left Harry's All-Night Hamburgers |
| 1989 | Mike Resnick | Kirinyaga |
| 1990 | Suzy McKee Charnas | Boobs |
| 1991 | Terry Bisson | Bears Discover Fire |
| 1992 | Geoffrey A. Landis | A Walk in the Sun |
| 1993 | Connie Willis | Even the Queen |
| 1994 | Connie Willis | Death on the Nile |
| 1995 | Joe Haldeman | None So Blind |
| 1996 | Maureen F. McHugh | The Lincoln Train |
| 1997 | Connie Willis | The Soul Selects Her Own Society ... |
| 1998 | Mike Resnick | The 43 Antarean Dynasties |
| 1999 | Michael Swanwick | The Very Pulse of the Machine |