Here are the winners of the Hugo Award for best science fiction novel of the year during the decade from1970 to 1979.
1970
The Left Hand of Darkness
Ursula K. LeGuin
1971
Ringworld
Larry Niven
1972
To Your Scattered Bodies Go
Philip Jose Farmer
1973
The Gods Themselves
Isaac Asimov
1974
Rendezvous with Rama
Arthur C. Clarke
1975
The Dispossessed
Ursula K. LeGuin
1976
The Forever War
Joe Haldeman
1977
Where Late the Sweet Birds Sang
Kate Wilhelm
1978
Gateway
Frederick Pohl
1979
Dreamsnake
Vonda N. McIntyre
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