Purity and Danger by Mary DouglasSeeing Voices by Oliver SacksClock of the Long Now by Stewart BrandThis Is Your Brain on Music by Daniel J. Levitin
Best Non-Fiction (no biographies)
6,236 books — 8,067 voters
1984 by George OrwellThe Unbearable Lightness of Being by Milan KunderaThe Great Gatsby by F. Scott FitzgeraldThe Hobbit, or There and Back Again by J.R.R. Tolkien
Best Books of the 20th Century
7,889 books — 49,787 voters

1984 by George OrwellDo Androids Dream of Electric Sheep? by Philip K. DickFlatland by Edwin A. AbbottStarship Troopers by Robert A. Heinlein
Best Science Fiction & Fantasy Books
8,530 books — 24,892 voters
The Book on the Bookshelf by Henry PetroskiThe Gutenberg Galaxy by Marshall McLuhan
Books about Books
1,385 books — 1,519 voters