Anthem by Ayn Rand
Best Utopian & Dystopian Fiction
216 books — 371 voters
Thief of Time by Terry PratchettThe Restaurant at the End of the Universe by Douglas Adams
Best Time Travel Fiction
1,955 books — 5,241 voters

Green Eggs and Ham by Dr. SeussHarry Potter and the Sorcerer's Stone by J.K. RowlingFahrenheit 451 by Ray BradburyTolkien On Fairy-stories by J.R.R. Tolkien
Books That Everyone Should Read At Least Once
31,456 books — 119,759 voters
Night Watch by Sergei LukyanenkoAmerican Gods by Neil Gaiman
The Best Urban Fantasy
4,403 books — 12,550 voters

1984 by George OrwellThe Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsEnder’s Game by Orson Scott CardOne Flew Over the Cuckoo’s Nest by Ken KeseyWatership Down by Richard  Adams
Best Books of the 20th Century
7,807 books — 49,785 voters
The Hot Zone by Richard   PrestonChaos by James GleickThe Universe in a Nutshell by Stephen W. HawkingThe Language Instinct by Steven PinkerThe Tao of Physics by Fritjof Capra
Best Science Books - Non-Fiction Only
1,839 books — 3,602 voters