A useful resource for researching great SF novels:
Hugo and Nebula Award Winners
American Gods by Neil Gaiman
Forever Peace by Joe Haldeman
Doomsday Book by Connie Willis
Speaker for the Dead by Orson Scott Card
Ender's Game by Orson Scott Card
Neuromancer by William Gibson
Startide Rising by David Brin
The Fountains of Paradise by Arthur C. Clarke
Dreamsnake by Vonda McIntyre
Gateway by Frederik Pohl
The Forever War by Joe Haldeman
The Dispossessed by Ursula K. Le Guin
Rendezvous with Rama by Arthur C. Clarke
The Gods Themselves by Isaac Asimov
The Left Hand of Darkness by Ursula K. Le Guin
Dune by Frank Herbert
Hugo Award Winners
2002 - American Gods by Neil Gaiman
2001 - Harry Potter and the Goblet of Fire by J. K. Rowling
2000 - A Deepness in the Sky by Vernor Vinge
1999 - To Say Nothing of the Dog by Connie Willis
1998 - Forever Peace by Joe Haldeman
1997 - Blue Mars by Kim Stanley Robinson
1996 - The Diamond Age by Neal Stephenson
1995 - Mirror Dance by Lois McMaster Bujold
1994 - Green Mars by Kim Stanley Robinson
1993 - A Fire Upon the Deep by Vernon Vinge and Doomsday Book by Connie Willis (tie)
1992 - Barrayar by Lois McMaster Bujold
1991 - The Vor Game by Lois McMaster Bujold
1990 - Hyperion by Dan Simmons
1989 - Cyteen by C. J. Cherryh
1988 - The Uplift War by David Brin
1987 - Speaker for the Dead by Orson Scott Card
1986 - Ender's Game by Orson Scott Card
1985 - Neuromancer by William Gibson
1984 - Startide Rising by David Brin
1983 - Foundation's Edge by Isaac Asimov
1982 - Downbelow Station by C. J. Cherryh
1981 - The Snow Queen by Joan D. Vinge
1980 - The Fountains of Paradise by Arthur C. Clarke
1979 - Dreamsnake by Vonda McIntyre
1978 - Gateway by Frederik Pohl
1977 - Where Late the Sweet Birds Sang by Kate Wilhelm
1976 - The Forever War by Joe Haldeman
1975 - The Dispossessed by Ursula K. Le Guin
1974 - Rendezvous with Rama by Arthur C. Clarke
1973 - The Gods Themselves by Isaac Asimov
1972 - To Your Scattered Bodies Go by Philip José Farmer
1971 - Ringworld by Larry Niven
1970 - The Left Hand of Darkness by Ursula K. Le Guin
1969 - Stand on Zanzibar by John Brunner
1968 - Lord of Light by Roger Zelazny
1967 - The Moon Is a Harsh Mistress by Robert A. Heinlein
1966 - And Call Me Conrad by Roger Zelazny and Dune by Frank Herbert (tie)
1965 - The Wanderer by Fritz Leiber
1964 - Way Station by Clifford D. Simak
1963 - The Man in the High Castle by Philip K. Dick
1962 - Stranger in a Strange Land by Robert A. Heinlein
1961 - A Canticle for Leibowitz by Walter M. Miller, Jr.
1960 - Starship Troopers by Robert A. Heinlein
1959 - A Case of Conscience by James Blish
1956 - Double Star by Robert A. Heinlein
1955 - They'd Rather Be Right by Mark Clifton and Frank Riley
1953 - The Demolished Man by Alfred Bester
1951 - Farmer in the Sky by Robert A. Heinlein
1946 - The Mule by Isaac Asimov
Nebula Award Winners
2002 - American Gods by Neil Gaiman
2001 - The Quantum Rose by Catherine Asaro
2000 - Darwin's Radio by Greg Bear
1999 - Parable of the Talents by Octavia E. Butler
1998 - Forever Peace by Joe Haldeman
1997 - The Moon and the Sun by Vonda N. McIntyre
1996 - Slow River by Nicola Griffith
1995 - The Terminal Experiment by Robert J. Sawyer
1994 - Moving Mars by Greg Bear
1993 - Red Mars by Kim Stanley Robinson
1992 - Doomsday Book by Connie Willis
1991 - Stations of the Tide by Michael Swanwick
1990 - Tehanu: The Last Book of Earthsea by Ursula K. Le Guin
1989 - The Healer's War by Elizabeth Ann Scarborough
1988 - Falling Free by Lois McMaster Bujold
1987 - The Falling Woman by Pat Murphy
1986 - Speaker for the Dead by Orson Scott Card
1985 - Ender's Game by Orson Scott Card
1984 - Neuromancer by William Gibson
1983 - Startide Rising by David Brin
1982 - No Enemy But Time by Michael Bishop
1981 - The Claw of the Conciliator by Gene Wolfe
1980 - Timescape by Gregory Benford
1979 - The Fountains of Paradise by Arthur C. Clarke
1978 - Dreamsnake by Vonda N. McIntyre
1977 - Gateway by Frederik Pohl
1976 - Man Plus by Frederik Pohl
1975 - The Forever War by Joe Haldeman
1974 - The Dispossessed by Ursula K. Le Guin
1973 - Rendezvous With Rama by Arthur C. Clarke
1972 - The Gods Themselves by Isaac Asimov
1971 - A Time of Changes by Robert Silverberg
1970 - Ringworld by Larry Niven
1969 - The Left Hand of Darkness by Ursula K. Le Guin
1968 - Rite of Passage by Alexei Panshin
1967 - The Einstein Intersection by Samuel R. Delany
1966 - Babel-17 by Samuel R. Delany and Flowers For Algernon by Daniel Keyes (tie)
1965 - Dune by Frank Herbert
Hugo and Nebula Award Winners
American Gods by Neil Gaiman
Forever Peace by Joe Haldeman
Doomsday Book by Connie Willis
Speaker for the Dead by Orson Scott Card
Ender's Game by Orson Scott Card
Neuromancer by William Gibson
Startide Rising by David Brin
The Fountains of Paradise by Arthur C. Clarke
Dreamsnake by Vonda McIntyre
Gateway by Frederik Pohl
The Forever War by Joe Haldeman
The Dispossessed by Ursula K. Le Guin
Rendezvous with Rama by Arthur C. Clarke
The Gods Themselves by Isaac Asimov
The Left Hand of Darkness by Ursula K. Le Guin
Dune by Frank Herbert
Hugo Award Winners
2002 - American Gods by Neil Gaiman
2001 - Harry Potter and the Goblet of Fire by J. K. Rowling
2000 - A Deepness in the Sky by Vernor Vinge
1999 - To Say Nothing of the Dog by Connie Willis
1998 - Forever Peace by Joe Haldeman
1997 - Blue Mars by Kim Stanley Robinson
1996 - The Diamond Age by Neal Stephenson
1995 - Mirror Dance by Lois McMaster Bujold
1994 - Green Mars by Kim Stanley Robinson
1993 - A Fire Upon the Deep by Vernon Vinge and Doomsday Book by Connie Willis (tie)
1992 - Barrayar by Lois McMaster Bujold
1991 - The Vor Game by Lois McMaster Bujold
1990 - Hyperion by Dan Simmons
1989 - Cyteen by C. J. Cherryh
1988 - The Uplift War by David Brin
1987 - Speaker for the Dead by Orson Scott Card
1986 - Ender's Game by Orson Scott Card
1985 - Neuromancer by William Gibson
1984 - Startide Rising by David Brin
1983 - Foundation's Edge by Isaac Asimov
1982 - Downbelow Station by C. J. Cherryh
1981 - The Snow Queen by Joan D. Vinge
1980 - The Fountains of Paradise by Arthur C. Clarke
1979 - Dreamsnake by Vonda McIntyre
1978 - Gateway by Frederik Pohl
1977 - Where Late the Sweet Birds Sang by Kate Wilhelm
1976 - The Forever War by Joe Haldeman
1975 - The Dispossessed by Ursula K. Le Guin
1974 - Rendezvous with Rama by Arthur C. Clarke
1973 - The Gods Themselves by Isaac Asimov
1972 - To Your Scattered Bodies Go by Philip José Farmer
1971 - Ringworld by Larry Niven
1970 - The Left Hand of Darkness by Ursula K. Le Guin
1969 - Stand on Zanzibar by John Brunner
1968 - Lord of Light by Roger Zelazny
1967 - The Moon Is a Harsh Mistress by Robert A. Heinlein
1966 - And Call Me Conrad by Roger Zelazny and Dune by Frank Herbert (tie)
1965 - The Wanderer by Fritz Leiber
1964 - Way Station by Clifford D. Simak
1963 - The Man in the High Castle by Philip K. Dick
1962 - Stranger in a Strange Land by Robert A. Heinlein
1961 - A Canticle for Leibowitz by Walter M. Miller, Jr.
1960 - Starship Troopers by Robert A. Heinlein
1959 - A Case of Conscience by James Blish
1956 - Double Star by Robert A. Heinlein
1955 - They'd Rather Be Right by Mark Clifton and Frank Riley
1953 - The Demolished Man by Alfred Bester
1951 - Farmer in the Sky by Robert A. Heinlein
1946 - The Mule by Isaac Asimov
Nebula Award Winners
2002 - American Gods by Neil Gaiman
2001 - The Quantum Rose by Catherine Asaro
2000 - Darwin's Radio by Greg Bear
1999 - Parable of the Talents by Octavia E. Butler
1998 - Forever Peace by Joe Haldeman
1997 - The Moon and the Sun by Vonda N. McIntyre
1996 - Slow River by Nicola Griffith
1995 - The Terminal Experiment by Robert J. Sawyer
1994 - Moving Mars by Greg Bear
1993 - Red Mars by Kim Stanley Robinson
1992 - Doomsday Book by Connie Willis
1991 - Stations of the Tide by Michael Swanwick
1990 - Tehanu: The Last Book of Earthsea by Ursula K. Le Guin
1989 - The Healer's War by Elizabeth Ann Scarborough
1988 - Falling Free by Lois McMaster Bujold
1987 - The Falling Woman by Pat Murphy
1986 - Speaker for the Dead by Orson Scott Card
1985 - Ender's Game by Orson Scott Card
1984 - Neuromancer by William Gibson
1983 - Startide Rising by David Brin
1982 - No Enemy But Time by Michael Bishop
1981 - The Claw of the Conciliator by Gene Wolfe
1980 - Timescape by Gregory Benford
1979 - The Fountains of Paradise by Arthur C. Clarke
1978 - Dreamsnake by Vonda N. McIntyre
1977 - Gateway by Frederik Pohl
1976 - Man Plus by Frederik Pohl
1975 - The Forever War by Joe Haldeman
1974 - The Dispossessed by Ursula K. Le Guin
1973 - Rendezvous With Rama by Arthur C. Clarke
1972 - The Gods Themselves by Isaac Asimov
1971 - A Time of Changes by Robert Silverberg
1970 - Ringworld by Larry Niven
1969 - The Left Hand of Darkness by Ursula K. Le Guin
1968 - Rite of Passage by Alexei Panshin
1967 - The Einstein Intersection by Samuel R. Delany
1966 - Babel-17 by Samuel R. Delany and Flowers For Algernon by Daniel Keyes (tie)
1965 - Dune by Frank Herbert
