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)
6,228 books — 8,066 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
7,809 books — 49,782 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
250 books — 922 voters