A classic book about life in a two-dimensional universe, written by a well-known author. Now brought back into print in this revised and updated edition, the bo

No amateur or math authority can be without this ultimate compendium of classic puzzles, paradoxes, and puzzles from America's best-loved mathematical expert. 3

The concept of world and the practice of world creation have been with us since antiquity, but they are now achieving unequalled prominence. In this timely anth

Martin Gardner's Mathematical Games columns in Scientific American inspired and entertained several generations of mathematicians and scientists. Gardner in his