‘An elegant synthesis of the best scientific work on human judgment that will be useful whether your aspirations in life are modest or grandiose’ - Philip E. Tetlock, co-author of Superforecasting

‘Brilliant, fun, and wise - a tremendous guide to sensible decision-making, in business and in daily life. Filled with vivid stories and big lessons, this book might well be the best investment you make this year’- Cass R. Sunstein, co-author of Nudge

‘Finally! Actionable advice for leaders based on decades of decision science. Succinct, accurate, and even-handed’ - Angela Duckworth, author of Grit

‘Olivier Sibony has that rare and magical ability to take complex concepts and package them in fast-paced, easy-to-understand narrative. Filled with actionable advice on how to make better choices, this book should be required reading for anyone looking to improve their decision process’ - Annie Duke, bestselling author of Thinking in Bets

‘The best, funniest, most useful guide to cognitive bias in business. If you make decisions, you need to read this book’ - Safi Bahcall, author of Loonshots

'A masterful introduction to the state of the art in managerial decision making' - Daniel Kahneman, Thinking, Fast and Slow

'I loved it' - Angela Duckworth, Grit

'An elegant synthesis of the best scientific work on human judgment' - Philip E. Tetlock, Superforecasting

'Sibony has written the best, funniest, most useful guide to cognitive bias in business' - Safi Bahcall, Loonshots

'Sibony has that rare and magical ability to take complex concepts and package them in fast-paced, easy-to-understand narrative' - Annie Duke, Thinking in Bets

‘Brilliant, fun, and wise- a tremendous guide to sensible decision-making, in business and in daily life. Filled with vivid stories and big lessons, this book might well be the best investment you make this year’ - Cass R. Sunstein, co-author of Nudge