Everything is at stake in this compendium of more than 150 ingenious puzzles, selected to reveal the wonderful diversity of brainteasers that have confounded and intrigued solvers for the last thousand years. You’ll need to pit your wits against probability problems, wrestle with wordplay, grapple with geometry, and scrabble for survival. Along the way you will discover stories of whip-smart thinkers, eccentric novelists, and a poodle with allegedly supernatural powers.