Here are the winners of the Hugo Award for best science fiction novel of the year during the decade from 1990 to 1999.
1990
Hyperion
Dan Simmons
1991
The Vor Game
Lois McMaster Bujold
1992
Barrayar
Lois McMaster Bujold
1993 (tie)
A Fire Upon the Deep
Vernor Vinge
1993 (tie)
Doomsday Book
Connie Willis
1994
Green Mars
Kim Stanley Robinson
1995
Mirror Dance
Lois McMaster Bujold
1996
The Diamond Age
Neal Stephenson
1997
Blue Mars
Kim Stanley Robinson
1998
Forever Peace
Joe Haldeman
1999
To Say Nothing of the Dog
Connie Willis
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