*the #1 Sunday Times bestseller * instant New York Times bestseller * an Observer 'best brainy book of the decade' * #1 Wall Street Journal bestseller * Irish Times bestseller * Audio bestseller * Guardian bestseller * * Endorsed by Barack Obama, Bill and Melinda Gates and Tom Harford, and Longlisted for the 2018 Financial Times/McKinsey Business Book of the Year* The international bestseller by legendary statisticians Hans, Ola and Anna Rosling: inspiring and revelatory, filled with lively anec