To Kill a Mockingbird by Harper Lee1984 by George OrwellHarry Potter and the Philosopher's Stone by J.K. RowlingAnimal Farm by George OrwellThe Hobbit, or There and Back Again by J.R.R. Tolkien
Best Books of the 20th Century
7,899 books — 49,787 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
31,956 books — 121,299 voters

The Hunger Games by Suzanne CollinsCatching Fire by Suzanne CollinsA Story of Yesterday by Sergio CoboHarry Potter Series Box Set by J.K. RowlingMockingjay by Suzanne Collins
Must Read Books- Different Genres
14,346 books — 10,410 voters
A Short History of Nearly Everything by Bill BrysonA Brief History of Time by Stephen W. HawkingCosmos by Carl SaganThe Selfish Gene by Richard DawkinsGuns, Germs, and Steel by Jared Diamond
Best Science Books - Non-Fiction Only
1,843 books — 3,607 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)
6,241 books — 8,068 voters