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The Everything Logic Puzzles Book, Volume 2: 200 More Puzzles to Increase Your Brain Power - Paperback

Linguistic Relativity Today: Language, Mind, Society, and the Foundations of Linguistic Anthropology - Paperback

Increase Your Puzzle IQ: Tips and Tricks for Building Your Logic Power - Hardcover

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The Liar Paradox and the Towers of Hanoi: The 10 Greatest Math Puzzles of All Time - Paperback

The Dexter Syndrome: The Serial Killer in Popular Culture - Hardcover

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The Everything Logic Puzzles Book Volume 1: 200 Puzzles to Increase Your Brain Power - Paperback

The Dark Mafia: Organized Crime in the Age of the Internet - Paperback

Brain Teasers for Adults: 75 Large Print Puzzles, Riddles, and Games to Keep You on Your Toes - Paperback

The Ultimate Brain Health Puzzle Book for Adults, Vol. 2: Even More Crosswords, Sudoku, Cryptograms, Word Searches, Logic Grids, and Calcudoku Puzzles - Paperback

The Ultimate Brain Health Logic Puzzle Book for Adults: Sudoku, Calcudoku, Logic Grids, Cryptic Puzzles, and More! - Paperback