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Mind in a maze
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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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The mysterious Benedict society : Mr. Benedict's book of perplexing puzzles, elusive enigmas, and curious conundrums
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Great critical thinking puzzles
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Challenging critical thinking puzzles
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Brain bafflers
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Brain candy : science, paradoxes, puzzles, logic, and illogic to nourish your neurons
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Lateral thinking puzzlers
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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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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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What is the name of this book? : The riddle of Dracula and other logical puzzles
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Fun and games : a spot-it challenge
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Colorful lateral thinking puzzles
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Picture puzzle mysteries : whodunits you can see
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Market maze
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Beastly puzzles : a brain-boggling animal guessing game
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Pierre, the maze detective : the mystery of the empire maze tower
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Look and see : a what's-not-the-same game
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Zoo picture puzzles
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Brain-busting lateral thinking puzzles
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Can you see what I see? :picture puzzles to search and solve
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Pierre the maze detective : the curious case of the castle in the sky
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Can you see what I see? Cool collections : picture puzzles to search and solve
