Dorsai! by Gordon R. DicksonThe Mote in God's Eye by Larry NivenStarship Troopers by Robert A. HeinleinA Fire Upon the Deep by Vernor VingeThe Algebraist by Iain M. Banks
Excellent Space Opera
1,032 books — 3,707 voters
Earth Abides by George R. StewartRed Planet by Robert A. HeinleinSixth Column by Robert A. HeinleinSlan by A.E. van Vogt
Classic Science Fiction - 1940-1949
91 books — 121 voters

Stranger in a Strange Land by Robert A. Heinlein
Best Science Fiction & Fantasy Books
8,524 books — 24,813 voters