The Colossal Book of Mathematics – Martin Gardner – Norton Hardcover Dust Jacket
Whether discussing hexaflexagons or number theory, Klein bottles or the essence of “nothing,” Martin Gardner has single-handedly created the field of “recreational mathematics.”. Gardner’s array of absorbing puzzles and mind-twisting paradoxes opens mathematics up to the world at large, inspiring people to see past numbers and formulas and experience the application of mathematical principles to the mysterious world around them.