THE NEW INTERNATIONAL BESTSELLER FROM THE AUTHOR OF THE BIG SHORT AND FLASH BOYS''A gripping account of how two psychologists reshaped the way we think ... What a story it is'' Sunday Times ''You''ll love it ... full of surprises and no small degree of tragedy'' Tim HarfordIn 1969 two men met on a university campus. Their names were Daniel Kahneman and Amos Tversky. They were different in every way. But they were both obsessed with the human mind - and both happened to be geniuses. Together, they would change the way we see the world.''An enchanted collaboration ... During the final pages, I was blinking back tears'' The New York Times ''My favourite writer full stop. Engages both heart and brain like no other'' Daily Telegraph''Brilliant, a wonderful book, a masterclass'' Spectator ''Psychology''s Lennon and McCartney ... Lewis is exactly the storyteller they deserve'' Observer