1951 RETRO Farmer in the Sky by Robert A. Heinlein..................18
1953 The Demolished Man by Alfred Bester..................19
1954 RETRO Fahrenheit 451 by Ray Bradbury..................14
1954 RETRO Fahrenheit 451 by Ray Bradbury..................14
1955 They'd Rather Be Right by Mark Clifton and Frank Riley..................13
1956 Double Star by Robert A. Heinlein..................19
1958 The Big Time by Fritz Leiber..................19
1959 A Case of Conscience by James Blish..................17
1960 Starship Troopers by Robert A. Heinlein..................15
1962 Stranger in a Strange Land by Robert A. Heinlein..................18
1963 The Man in the High Castle by Philip K. Dick ..................14
1964 Way Station by Clifford D. Simak ..................24
1965 The Wanderer by Fritz Leiber..................14
1966 (tie) Dune by Frank Herbert..................23
1966 (tie) This Immortal by Roger Zelazny..................21
1969 Stand on Zanzibar by John Brunner ..................16
1970 The Left Hand of Darkness by Ursula K. Le Guin..................18
1971 Ringworld by Larry Niven..................20
1972 To Your Scattered Bodies Go by Philip José Farmer..................16
1973 The Gods Themselves by Isaac Asimov..................22
1974 Rendezvous with Rama by Arthur C. Clarke..................21
1975 The Dispossessed by Ursula K. Le Guin..................25
1976 The Forever War by Joe Haldeman..................21
1977 Where Late the Sweet Birds Sang by Kate Wilhelm..................19
1978 Gateway by Frederik Pohl ..................20
1979 Dreamsnake by Vonda N. McIntyre ..................25
1980 The Fountains of Paradise by Arthur C. Clarke..................22
1981 The Snow Queen by Joan D. Vinge..................24
1982 Downbelow Station by C. J. Cherryh..................18
1983 Foundation's Edge by Isaac Asimov..................20
1984 Startide Rising by David Brin..................24
1985 Neuromancer by William Gibson..................24
1986 Ender's Game by Orson Scott Card..................22
1987 Speaker for the Dead by Orson Scott Card..................20
1988 The Uplift War by David Brin..................24
1989 Cyteen by C. J. Cherryh..................25
1990 Hyperion by Dan Simmons..................20
1991 The Vor Game by Lois McMaster Bujold..................18
1992 Barrayar by Lois McMaster Bujold..................20
1993 (tie) A Fire Upon the Deep by Vernor Vinge..................25
1993 (tie) Doomsday Book by Connie Willis..................23
1994 Green Mars by Kim Stanley Robinson..................25
1995 Mirror Dance by Lois McMaster Bujold..................21
1996 The Diamond Age by Neal Stephenson..................21
1997 Blue Mars by Kim Stanley Robinson..................23
1998 Forever Peace by Joe Haldeman..................24
1999 To Say Nothing of the Dog by Connie Willis..................23
2000 A Deepness in the Sky by Vernor Vinge..................22
2001 Harry Potter and the Goblet of Fire by J. K. Rowling..................18
2002 American Gods by Neil Gaiman
2003 Hominids by Robert J. Sawyer..................16
2004 Paladin of Souls by Lois McMaster Bujold..................17
2005 Jonathan Strange & Mr Norrell by Susanna Clarke
2006 Spin by Robert Charles Wilson
2007 Rainbows End by Vernor Vinge..................19
2008 The Yiddish Policemen's Union by Michael Chabon..................18
2009 The Graveyard Book by Neil Gaiman..................14
2010 (tie) The Windup Girl by Paolo Bacigalupi
2010 (tie) The City & the City by China Miéville
2011 Blackout/All Clear by Connie Willis
2012 Among Others by Jo Walton
2013 Redshirts by John Scalzi
2013 Redshirts by John Scalzi