Diagram Group
Published: 1996
Total Pages: 516
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Pit your wits against logic-teasers, matchstick quizzes, number problems, riddles, geometry puzzles, visual conundrums, word wonders, picture problems, mazes, and much more. Some puzzles will seem deceptively easy, while others will boggle even experienced puzzle masters. Perfect for traveling, the beach, study hall, the office, or any time you want to flex your mental muscles.