Sapiens by Yuval Noah HarariQuiet by Susan CainA Short History of Nearly Everything by Bill BrysonThe Diary of a Young Girl by Anne FrankHow to Win Friends & Influence People by Dale Carnegie
Best Non-Fiction (no biographies)
6,270 books — 8,165 voters
Animal Farm by George OrwellThe Catcher in the Rye by J.D. SalingerThe Old Man and the Sea by Ernest HemingwayThe Alchemist by Paulo Coelho
Best Books of the 20th Century
7,874 books — 49,841 voters

Animal Farm by George OrwellThe Old Man and the Sea by Ernest HemingwayThe Art of War by Sun TzuThe Metamorphosis by Franz Kafka
Most influential books under 100 pages
285 books — 974 voters