Dune by Frank HerbertHis Dark Materials by Philip PullmanThe Dispossessed by Ursula K. Le Guin2001 by Arthur C. ClarkeThe Ultimate Hitchhiker’s Guide to the Galaxy by Douglas Adams
Science Fiction and Fantasy Must Reads
4,274 books — 6,320 voters
The Martian by Andy WeirBlackout by Connie WillisAll Clear by Connie WillisWool Omnibus by Hugh HoweyOld Man's War by John Scalzi
Best Science Fiction of the 21st Century
1,234 books — 9,184 voters

Hominids by Robert J. SawyerWake by Robert J. SawyerIn the Balance by Harry TurtledoveThe Mote in God's Eye by Larry Niven
Best Science Fiction Series
458 books — 1,153 voters
Slaughterhouse-Five by Kurt Vonnegut Jr.Doomsday Book by Connie WillisBlackout by Connie WillisThe Forever War by Joe HaldemanThe Door Into Summer by Robert A. Heinlein
Best Time Travel Fiction
2,272 books — 5,581 voters