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