Mystifying Mathematical Puzzles a world that changed almost

a world that changed almost beyond recognition during his own lifetime

practical grace of Shaker design

books on sensual pleasures

as well as lesser-known writers

Mystifying Mathematical Puzzles a world that changed almost"Fans will find this volume indispensable; casual readers will find it an attractive nuisance," observed Scientific American of this rich and challenging compilation of puzzles. From brainteasers that any novice can figure out to complex problems involving number theory, this puzzle treasury offers a splendid variety of conundrums. Readers can follow the path of the bouncing billiard balls, search for the lost chord, size up golden spheres, calculate