To Kill a Mockingbird by Harper LeePride and Prejudice by Jane AustenThe Diary of a Young Girl by Anne FrankHarry Potter and the Sorcerer's Stone by J.K. Rowling1984 by George Orwell
Books That Everyone Should Read At Least Once
33,192 books — 125,715 voters
Harry Potter and the Philosopher'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
13,336 books — 80,763 voters

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
7,818 books — 49,895 voters
The 7 Habits of Highly Effective People by Stephen R. CoveyHow to Win Friends & Influence People by Dale CarnegieThe Awakened Investor by Tim Jai BakerThe Alchemist by Paulo CoelhoThe Two Ways to Look at Everything by Matthew Mcdanel
Motivational and Self-Improvement Books
3,406 books — 4,526 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)
6,525 books — 8,222 voters
Sapiens by Yuval Noah HarariHomo Deus by Yuval Noah HarariA Short History of Nearly Everything by Bill  BrysonThinking, Fast and Slow by Daniel KahnemanSingle at Heart by Bella DePaulo
Best of 21st Century Non-fiction
1,370 books — 1,502 voters