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Do you easily forget phone numbers or birthdays? Do you often lose your car keys? Are there times when you just can’t re
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Puzzles are an important educational learning tools as they provide many skills and mental learning benefits and opportu
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100 Math Brainteasers (Grade 7-10) is a subtle selection of one hundred arithmetic, algebra, and geometry assignments, w
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Thought you had it bad? In this book, you will be: Imprisoned by a sadistic logician. Challenged to raise dogs from the
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For two decades, self-taught mathematician Henry E. Dudeney wrote a puzzle page, "Perplexities," for The Stran
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A balanced, scientific, and practical approach to monitoring and maintaining your brain's agility and mental health
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