Brave New World by Aldous Huxley1984 by George OrwellThe Handmaid’s Tale by Margaret AtwoodThe Road by Cormac McCarthyFlowers for Algernon by Daniel Keyes
Mundane Science Fiction
47 books — 37 voters
1984 by George OrwellFahrenheit 451 by Ray BradburyDune by Frank HerbertThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Foundation Trilogy by Isaac Asimov
Best Science Fiction of the 20th Century
553 books — 481 voters

Ender’s Game by Orson Scott CardThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsDune by Frank Herbert1984 by George OrwellFahrenheit 451 by Ray Bradbury
Best Science Fiction
3,651 books — 6,974 voters
Ready Player One by Ernest ClineThe Martian by Andy WeirOld Man's War by John ScalziThe Hunger Games by Suzanne CollinsLeviathan Wakes by James S.A. Corey
Best Science Fiction of the 21st Century
1,208 books — 8,952 voters

The Time Traveler's Wife by Audrey NiffeneggerOutlander by Diana GabaldonThe Time Machine by H.G. Wells11/22/63 by Stephen  KingA Wrinkle in Time by Madeleine L'Engle
Best Time Travel Fiction
1,957 books — 5,244 voters
Old Man's War by John ScalziOn Basilisk Station by David  WeberDauntless by Jack CampbellEnder’s Game by Orson Scott CardStarship Troopers by Robert A. Heinlein
Kick-Ass Military Science Fiction Books
363 books — 249 voters

The Martian by Andy WeirRendezvous with Rama by Arthur C. ClarkeThe Three-Body Problem by Liu CixinFoundation by Isaac AsimovDune by Frank Herbert
Ultimate Hard Science Fiction
113 books — 163 voters

The Three-Body Problem by Liu CixinDune by Frank Herbert1984 by George OrwellThe Martian by Andy WeirFoundation by Isaac Asimov
Best Intelligent Sci-Fi
270 books — 248 voters