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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: The Little Book of Big Mind Benders: Over 450 Word Puzzles, Number Stumpers, Riddles, Brainteasers, and Visual Conundrums, Author: Scott Kim
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The Little Book of Big Mind…
by Scott Kim
Paperback $10.99
Title: The Floor Is Lava: And 99 More Games for Everyone, Everywhere, Author: Ivan Brett
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The Floor Is Lava: And 99 More…
by Ivan Brett
eBook $10.99
Title: The Little Book of Big Brain Games: 517 Ways to Stretch, Strengthen and Grow Your Brain, Author: Ivan Moscovich
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The Little Book of Big Brain…
by Ivan Moscovich
Paperback $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: Would You Rather...: Over 200 Absolutely Absurd Dilemmas to Ponder, Author: David Gomberg
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Would You Rather...: Over 200…
by David Gomberg, Justin Heimberg
Paperback $11.00
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
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eBook $11.20
Title: Rätselspaß für Frauen, Author: Nicole Wollscheid
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Rätselspaß für Frauen
by Nicole Wollscheid, Jana Sommer, Kim Havenith, Gabriele Woschech, Margit Wolters
eBook $11.63
Title: 440 Games, Puzzles & Brain Boosters Specially Designed to Keep Your Mind Sharp, Author: Nancy Linde
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440 Games, Puzzles & Brain…
by Nancy Linde
eBook $11.99
Title: The Scotland Yard Puzzle Book: Test Your Inner Detective by Solving Some of the World's Most Difficult Cases, Author: Sinclair McKay
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The Scotland Yard Puzzle Book:…
by Sinclair McKay
eBook $11.99
Title: 399 Games, Puzzles & Trivia Challenges Specially Designed to Keep Your Brain Young., Author: Nancy Linde
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399 Games, Puzzles & Trivia…
by Nancy Linde
eBook $11.99
Title: 417 More Games, Puzzles & Trivia Challenges Specially Designed to Keep Your Brain Young, Author: Nancy Linde
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417 More Games, Puzzles &…
by Nancy Linde, Philip D. Harvey Ph.D. (Introduction)
eBook $11.99
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
Paperback $11.99
Title: IQ Puzzles, Author: Jeweltone Puzzles
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IQ Puzzles
by Jeweltone Puzzles
Explore Series
Paperback $12.95
Title: Brain Twisters, Mind Benders, and Puzzle Conundrums, Author: Frank Coussement
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Brain Twisters, Mind Benders,…
by Frank Coussement, Peter De Schepper
Paperback $12.95
Title: Brain Busting, Mind Twisting, IQ Crushing Puzzles, Author: Frank Coussement
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Brain Busting, Mind Twisting,…
by Frank Coussement, Peter De Schepper
Paperback $12.95
Buy 1, Get 1 50% Off
Title: The Book of Puzzles and Enigmas, Author: Fabrice Mazza
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The Book of Puzzles and…
by Fabrice Mazza, Sylvain Lhullier, Ivan Sigg (Illustrator)
Hardcover $12.99
Title: USA TODAY Jumbo Puzzle Book: 400 Brain Games for Every Day, Author: USA TODAY
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USA TODAY Jumbo Puzzle Book:…
by USA TODAY
#8 in Series
Paperback $12.99
Title: Outsmart the Unexpected: Grow Your Creativity the Edge-Of-Your-Seat Way, Author: Regina Pacelli
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Outsmart the Unexpected: Grow…
by Regina Pacelli
Paperback $14.95

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