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Title: The Astounding Science Puzzle Book, Author: Matt Brown
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The Astounding Science Puzzle…
by Matt Brown
eBook $10.49
Title: Cryptanalysis: A Study of Ciphers and Their Solution, Author: Helen F. Gaines
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Cryptanalysis: A Study of…
by Helen F. Gaines
Explore Series
eBook $10.95
Title: Five-Minute Brain Workout: Games and Puzzles to Keep Your Mind Sharp and Supple, Author: Kim Chamberlain
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Five-Minute Brain Workout:…
by Kim Chamberlain
Explore Series
eBook $10.99
Title: Puzzlemaster Deck: 75 Word Riddles, Author: Will Shortz
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Puzzlemaster Deck: 75 Word…
by Will Shortz
Explore Series
eBook $10.99
Title: The Awesome Book of One-Minute Mysteries and Brain Teasers, Author: Sandy Silverthorne
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The Awesome Book of One-Minute…
by Sandy Silverthorne, John Warner
eBook $10.99
Title: Super Sudoku Math: Fractions & Decimals: 40+ Reproducible Puzzles That Motivate Students to Practice and Master Key Math Skills, Author: Eric Charlesworth
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Super Sudoku Math: Fractions &…
by Eric Charlesworth
eBook $10.99
Title: Queen of Swords: A Romantasy Puzzle Quest, Author: Sara Sehdev Pre-Order Now
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Queen of Swords: A Romantasy…
by Sara Sehdev, Gareth Moore
eBook $10.99
Title: The Twelve Quizzes of Christmas, Author: Frank Paul
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The Twelve Quizzes of…
by Frank Paul
eBook $10.99
Title: The Cryptic Pub Quiz Book, Author: Frank Paul
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The Cryptic Pub Quiz Book
by Frank Paul
eBook $10.99
Title: The Puzzler: One Man's Quest to Solve the Most Baffling Puzzles Ever, from Crosswords to Jigsaws to the Meaning of Life, Author: A.J. Jacobs
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The Puzzler: One Man's Quest…
by A.J. Jacobs, Greg Pliska (Contribution by)
eBook $10.99
Title: Super Sudoku Math: Addition & Subtraction Facts: 40+ Reproducible Puzzles That Motivate Students to Practice and Master Math Facts, Author: Eric Charlesworth
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Super Sudoku Math: Addition &…
by Eric Charlesworth
eBook $10.99
Title: Super Sudoku Math: Multiplication & Division Facts: 40+ Reproducible Puzzles That Motivate Students to Practice and Master Math Facts, Author: Eric Charlesworth
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Super Sudoku Math:…
by Eric Charlesworth
eBook $10.99
Title: Where Am I Meow?, Author: Hit Point
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Where Am I Meow?
by Hit Point
Explore Series
eBook $10.99
Title: Stay Sharp!: Advice, Puzzles and Activities to Keep Our Brains Active in Later Life, Author: Gareth Moore
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Stay Sharp!: Advice, Puzzles…
by Gareth Moore
Explore Series
eBook $11.20
Title: The Bogotá Puzzles, Author: Bernardo Recamán
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The Bogotá Puzzles
by Bernardo Recamán
Explore Series
eBook $11.95
Title: Minute Cryptic: Over 160 Wordplay Puzzles to Decipher, Unlock, and Untangle, Author: Angas Tiernan Pre-Order Now
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Minute Cryptic: Over 160…
by Angas Tiernan, Liam Runnalls
eBook $11.99
Title: 299 On-the-Go Games & Puzzles to Keep Your Brain Young: Minutes a Day to Mental Fitness, Author: Nancy Linde
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299 On-the-Go Games & Puzzles…
by Nancy Linde
eBook $11.99
Title: 101 Bets You Will Always Win: Jaw-Dropping Illusions, Remarkable Riddles, Scintillating Science Stunts, and Cunning Conundrums That Will Astound and Amaze Everyone You Know, Author: Richard Wiseman
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101 Bets You Will Always Win:…
by Richard Wiseman
eBook $11.99
Title: The 125 Best Brain Teasers of All Time: A Mind-Blowing Challenge of Math, Logic, and Wordplay, Author: Marcel Danesi
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The 125 Best Brain Teasers of…
by Marcel Danesi
eBook $11.99
Title: Why Did I Buy This Book?: Over 500 Puzzlers, Teasers, and Challenges to Boost Your Brainpower, Author: Lynn Brunelle
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Why Did I Buy This Book?: Over…
by Lynn Brunelle, Ira Flatow (Foreword by)
eBook $11.99

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