Foundation by Isaac AsimovI, Robot by Isaac AsimovThe Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Time Machine by H.G. Wells2001 by Arthur C. Clarke
Best Science Fiction & Fantasy Books
8,351 books — 24,664 voters

A Brief History of Time by Stephen W. HawkingCosmos by Carl SaganThe Demon-Haunted World by Carl SaganThe Complete Maus by Art Spiegelman
Best Non-Fiction (no biographies)
6,227 books — 8,062 voters
His Dark Materials by Philip PullmanJ.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienThe Chronicles of Narnia by C.S. LewisA Game of Thrones by George R.R. MartinThe Silmarillion by J.R.R. Tolkien
The Best Epic Fantasy (fiction)
4,208 books — 25,720 voters

The Chronicles of Narnia by C.S. LewisThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsAlice’s Adventures in Wonderland / Through the Looking-Glass by Lewis CarrollLord of the Flies by William GoldingAnne of Green Gables by L.M. Montgomery
Best Books Ever
76,082 books — 282,692 voters
The Hobbit, or There and Back Again by J.R.R. TolkienThe Chronicles of Narnia by C.S. LewisThe Lord of the Rings by J.R.R. TolkienLord of the Flies by William GoldingAlice’s Adventures in Wonderland / Through the Looking-Glass by Lewis Carroll
Books That Everyone Should Read At Least Once
31,479 books — 119,911 voters

Elantris by Brandon SandersonThe Selection by Kiera CassElla Enchanted by Gail Carson LevineA Game of Thrones by George R.R. MartinThe Horse and His Boy by C.S. Lewis
Princes
140 books — 49 voters