Improve Your IQ: Over 500 Mind-Bending Puzzles

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Sharpen your mind and blitz your brain with a workout of more than 500 challenging puzzles. These tricky numeric and alphabetic questions will stimulate your smarts as never before, and help your IQ climb higher and higher. And the puzzles are fun too, because some of them involve unfolded cubes, aliens, watches, and matchsticks. Rev up that logic, steady that concentration, and get going on 20 levels of ascending difficulty. Assess your progress in the art of problem solving, and gather your wits at every stage. Which ...

Improve Your IQ: Over 500 Mind-Bending Puzzles 1999, Barnes & Noble, New York, NY

ISBN-13: 9780760716830

Hardcover

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Improve Your IQ: Over 500 Mind-Bending Puzzles 1999, MetroBooks (NY), New York

ISBN-13: 9781586637613

Hardcover

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