Thus Spoke Zarathustra by Friedrich NietzscheThe Republic by PlatoCritique of Pure Reason by Immanuel KantMeditations by Marcus AureliusFrom Darkness Into Light by A. Helwa
Best World Philosophy Book
953 books — 1,421 voters
A Mathematician's Apology by G.H. HardyLogicomix by Apostolos DoxiadisOne, Two, Three...Infinity by George GamowZero by Charles SeifeA History of Pi by Petr Beckmann
Books on The Beauty of Maths
14 books — 2 voters

John Adams by David McCulloughThe Rise and Fall of the Third Reich by William L. Shirer1776 by David McCulloughTeam of Rivals by Doris Kearns GoodwinThe Guns of August by Barbara W. Tuchman
Best History Books
3,879 books — 3,923 voters
Thinking, Fast and Slow by Daniel KahnemanOutliers by Malcolm GladwellBlink by Malcolm GladwellQuiet by Susan CainPredictably Irrational by Dan Ariely
Greatest Psychology Books
794 books — 1,333 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)
6,261 books — 8,077 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
1,926 books — 3,620 voters