The international best-selling phenomenon loved by BARACK OBAMA and BILL GATES in a new and updated illustrated edition'A hopeful book about the potential for human progress when we work off facts rather than our inherent biases.' BARACK OBAMA'One of the most important books I've ever read - an indispensable guide to thinking clearly about the world.' BILL GATES_#1 Sunday Times bestseller _ instant New York Times bestseller _ Observer 'best brainy book of the decade' _ #1 Wall Street Journal be ...