For daring puzzlers—a book of mind-bending conundrums handpicked by the pied piper of popular math Long before Sudoku swept the world, the Victorians puzzled over relationships (If two men each marry
125 exquisitely agonizing puzzles of every kind (math, logic, word, and more) put readers’ brainpower―and survival instincts―to the test!These 125 exquisitely agonizing brainteasers put readers’ wits―
100 challenging puzzles for would-be codebreakers that also celebrate the uniqueness of language―from hieroglyphics to the sign language of silent monks100 wonder-filled word puzzles that thrill and t
