Stump your friends and family with this fun, challenging math puzzle book! Who knew that math could be so cool? Crammed with games, puzzles, and trivia, The Eve
The noted expert selects 70 of his favorite "short" puzzles, including such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Top
Brain Stretching Math Riddles This book is the second in a series of riddles books. It is a collection of 150 brain teasing math riddles and puzzles. Their purp