The Colossal Book of MathematicsWhether discussing hexaflexagons or number theory, Klein bottles or the essence of "nothing," Martin Gardner has single handedly created the field of "recreational mathematics." The Colossal Book of Mathematics collects together Gardner's most popular pieces from his legendary "Mathematical Games" column, which ran in Scientific American for twenty five years. Gardner's array of absorbing puzzles and mind twisting paradoxes opens mathematics up to the
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