365 Games & Puzzles to Keep Your Mind Sharp (Brain Workout)
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Mathematical Cranks (Spectrum)
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Five Star Mind: Games & Puzzles to Stimulate Your Creativity & Imagination
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Eye Twisters: Ambigrams & Other Visual Puzzles to Amaze and Entertain
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Tangram Magician
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KGB Killer Puzzles Dossier
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Will Shortz Presents Every Day with Sudoku: 365 Days of Puzzles
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Brain Games #8: Lower Your Brain Age in Minutes a Day (Volume 8) (Brain Games - Lower Your Brain Age in Minutes a Day)
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The New York Times Supersized Book of Easy Crosswords: 500 Puzzles!
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Match Wits With Mensa Complete Quiz Book
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The Total Brain Workout: 450 Puzzles to Sharpen Your Mind, Improve Your Memory & Keep Your Brain Fit
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Brain Games #4: Lower Your Brain Age in Minutes a Day (Variety Puzzles) (Volume 4) (Brain Games - Lower Your Brain Age in Minutes a Day)
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The New York Times Little Black & White Book of Holiday Crosswords: Easy to Hard Puzzles
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Optical Illusions: The Science of Visual Perception (Illusion Works)
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1,000 Playthinks: Puzzles, Paradoxes, Illusions & Games
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Life: The Ultimate Picture Puzzle: Can You Spot the Differences?
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mental_floss Extra-Strength Logic Puzzles
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The Great Book of Mind Teasers & Mind Puzzlers
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Puzzles for Mindfulness (Mindful and hygge puzzles)
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Lethal Lateral Thinking Puzzles: Killer Brainteasers That Will Slay You
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The Big Book of Mind-Bending Puzzles (Mensa)
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Will Shortz Presents The Super-Colossal Book of Sudoku: 300 Wordless Crossword Puzzles
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The Mensa Genius Quiz Book (Match Wits with Mensa)
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