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Brain candy : science, paradoxes, puzzles, logic, and illogic to nourish your neurons
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Brain teasers 211 logic puzzles, lateral thinking games, mondrians, memorization games, and cryptomath problems to exercise your mind and keep you sharp 'til you're 100
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Great critical thinking puzzles
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Challenging critical thinking puzzles
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FGTeeV game break! : mazes, puzzles, games and more
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The mysterious Benedict society : Mr. Benedict's book of perplexing puzzles, elusive enigmas, and curious conundrums
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The puzzler : one man's quest to solve the most baffling puzzles ever, from crosswords to jigsaws to the meaning of life
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Brain bafflers
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Mind in a maze
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Lateral thinking puzzlers
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The total brain workout : 450 puzzle to sharpen your mind, improve your memory, and keep your brain fit
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Pencil & paper games
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Colorful lateral thinking puzzles
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Murdle. Volume 1 : 100 elementary to impossible mysteries to solve using logic, skill, and the power of deduction
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Picture puzzle mysteries : whodunits you can see
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Can you see what I see? :picture puzzles to search and solve
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Can you see what I see? Cool collections : picture puzzles to search and solve
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I spy : a book of picture riddles
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I spy, mystery : a book of picture riddles
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I spy fantasy : a book of picture riddles
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I spy love : a book of picture riddles
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I spy treasure hunt : a book of picture riddles
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I spy spooky night : a book of picture riddles
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I spy extreme challenger : a book of picture riddles
