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It’s a pocket-size brain gym. Here are more than 500 full-color puzzles from the original Big Book of Brain Games ―the book that Will Shortz praised as “the most wide-ranging, visually appealing, entertaining collection of brainteasers since Sam Lloyd’s Cyclopedia of Puzzles ,” and The Washington Post called “an opus . . . mixing math with wonder.” Here are mental games, visual challenges, logic posers, riddles, and illusions, each designed to stretch neurons and give the brain a workout―all in a format that will fit in your pocket. Can you cross the Impossible Domino Bridge? Break through the Queen’s Standoff? Wield the Sickle of Archimedes? The Little Book of Big Brain Games : salted peanuts for the mind.