To Kill a Mockingbird by Harper Lee1984 by George OrwellHarry Potter and the Philosopher's Stone by J.K. RowlingThe Great Gatsby by F. Scott FitzgeraldAnimal Farm by George Orwell
Best Books of the 20th Century
7,893 books — 49,819 voters

Harry Potter and the Sorcerer's Stone by J.K. RowlingThe Lightning Thief by Rick RiordanThe Hunger Games by Suzanne CollinsTwilight by Stephenie MeyerThe Giver by Lois Lowry
Best Young Adult Books
13,184 books — 80,392 voters
The Devil in the White City by Erik LarsonFreakonomics by Steven D. LevittA Short History of Nearly Everything by Bill BrysonGuns, Germs, and Steel by Jared DiamondOutliers by Malcolm Gladwell
Best Non-Fiction (no biographies)
6,267 books — 8,083 voters

The Hunger Games by Suzanne CollinsPride and Prejudice by Jane AustenTo Kill a Mockingbird by Harper LeeHarry Potter and the Order of the Phoenix by J.K. RowlingThe Book Thief by Markus Zusak
Best Books Ever
78,027 books — 291,023 voters

Ender’s Game by Orson Scott CardDune by Frank Herbert1984 by George OrwellFahrenheit 451 by Ray BradburyBrave New World by Aldous Huxley
Best Science Fiction & Fantasy Books
8,704 books — 25,581 voters
Memoirs of a Geisha by Arthur GoldenGone with the Wind by Margaret MitchellThe Pillars of the Earth by Ken FollettThe Book Thief by Markus ZusakThe Other Boleyn Girl by Philippa Gregory
Best Historical Fiction
7,857 books — 26,159 voters

To Kill a Mockingbird by Harper LeePride and Prejudice by Jane AustenThe Diary of a Young Girl by Anne Frank1984 by George OrwellAnimal Farm by George Orwell
Books That Everyone Should Read At Least Once
32,461 books — 123,597 voters
The Girl With the Dragon Tattoo by Stieg LarssonAnd Then There Were None by Agatha ChristieAngels & Demons by Dan    BrownRebecca by Daphne du MaurierA Story of Yesterday by Sergio Cobo
Best Crime & Mystery Books
7,439 books — 16,315 voters