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The Turing Tests: Expert Code Puzzles
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The Turing Test: Expert Super Sudoku
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The Great Sherlock Holmes Puzzle Book
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The Turing Tests: Expert Sudoku
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The Escape Book
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60-Second Brain Teasers Pencil-Free Puzzles
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Brain Coach
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Deadly Skills Puzzle & Activity Book
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Twisted Word Search
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The Master Theorem: A Book of Puzzles, Intrigue, and Wit
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Official Rubik's Children's Brainteasers
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Stay Smart for Brain Health
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