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 Youll love it ... full of surprises and no small degree of tragedy Tim Harford In 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 Psychologys Lennon and McCartney ... Lewis is exactly the storyteller they deserve Observer