If a hen and a half lays an egg and a half in a day and a half, how many eggs do half a dozen hens lay in half a dozen days?*
Bestselling author Alex Bellos wrangles math and physics, logic and wordplay, optical illusions, card games, and more to tie readers' brains in pleasurable knots. It's a merry tour of the many ways our reasoning can go wrong--and how we can be more fool-proof in the future. Puzzle on!
*Four times as many hens, over four times as many days, lay 16 times as many eggs: 1.5 16 = 24 eggs.