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
751 books — 497 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
3,958 books — 8,227 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
1,236 books — 9,186 voters