| 2007 -- Charles Stross, Glasshouse |
| 2006 -- Ken MacLeod, Learning the World |
| 2005 -- Neal Stephenson, The System of the World |
| 2004 -- F. Paul Wilson, Sims |
| 2003 -- Terry Pratchett, Night Watch |
| 2002 -- Donald Kingsbury, Psychohistorical Crisis |
| 2001 -- L. Neil Smith, The Forge of the Elders |
| 2000 -- Vernor Vinge, A Deepness in the Sky |
| 1999 -- John Varley, The Golden Globe |
| 1998 -- Ken MacLeod, The Stone Canal |
| 1997 -- Victor Koman, Kings of the High Frontier |
| 1996 -- Ken MacLeod, The Star Fraction |
| 1995 -- Poul Anderson, The Stars are also Fire |
| 1994 -- L. Neil Smith, Pallas |
| 1993 -- James P. Hogan, The Multiplex Man |
| 1992 -- Larry Niven, Jerry Pournelle, and Michael Flynn, Fallen Angels |
| 1991 -- Michael Flynn, In the Country of the Blind |
| 1990 -- Victor Koman, Solomon's Knife |
| 1989 -- Brad Linaweaver, Moon of Ice |
| 1988 -- Victor Koman, The Jehovah Contract |
| 1987 -- Vernor Vinge, Marooned in Realtime |
| 1986 -- Victor Milan, Cybernetic Samurai |
| 1985 -- No Winner ( |
| 1984 -- J. Neil Schulman, The Rainbow Cadenza |
| 1983 -- James P. Hogan, Voyage from Yesteryear |
| 1982 -- L. Neil Smith, The Probability Broach |
| 1979 -- F. Paul Wilson, Wheels Within Wheels |