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Title: Murder Most Puzzling Peril at Quandary Park: A Mysterious Case to Solve, Author: Stephanie von Reiswitz
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Murder Most Puzzling Peril at…
by Stephanie von Reiswitz
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Hardcover $18.95
Title: 100 Math Brainteasers (Grade 7, 8, 9, 10). Arithmetic, Algebra and Geometry Brain Teasers, Games and Problems with Solutions, Author: Bartholomew Dyda
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100 Math Brainteasers (Grade 7…
by Bartholomew Dyda, Zbigniew Romanowicz, Adam Fisher (Compiler)
Paperback $9.95
Title: Chess: How To Play Chess For Beginners: Learn How to Win at Chess - Master Chess Tactics, Chess Openings and Chess Strategies!, Author: Victor Lee
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Chess: How To Play Chess For…
by Victor Lee
eBook $4.95
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
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Paperback $14.95
Title: Riddles and Brain Teasers: Train Your Brain Like Ancient Greek Philosophers, Author: Anthony Idalion
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Riddles and Brain Teasers:…
by Anthony Idalion
eBook $3.99
Title: Skyrim Is Here The Unofficial Guide not to be Overlooked, Author: Ralph Pier
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Skyrim Is Here The Unofficial…
by Ralph Pier
eBook $3.98
Title: Discover the Mystery Behind Solving Sudoku: How to Solve Any Sudoku Easily, Author: Mary Thompson
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Discover the Mystery Behind…
by Mary Thompson
eBook $3.68
Title: Solving Number Puzzles, Author: White Dove
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Solving Number Puzzles
by White Dove
eBook $3.99
Title: Riddledom: 101 Riddles and Their Stories, Author: David Astle
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Riddledom: 101 Riddles and…
by David Astle
eBook $9.99
Title: Letters & Numbers: Play and learn to read and write in numbers, Author: Roel Pimentel Ortiz
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Letters & Numbers: Play and…
by Roel Pimentel Ortiz
eBook $3.99
Title: If You're So Smart, Prove It, Author: Pat Battaglia
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If You're So Smart, Prove It
by Pat Battaglia
#3 in Series
eBook $4.95
Title: Magic Squares: 50 Brain Teazers, Author: Roy Whitlow
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Magic Squares: 50 Brain…
by Roy Whitlow
eBook $3.20
Title: Maze Book, Author: Bob Aubuchon
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Maze Book
by Bob Aubuchon
eBook $5.00
Title: Simple Yet Powerful Techniques to Improve Memory, Author: Edward Taylor
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Simple Yet Powerful Techniques…
by Edward Taylor
eBook $3.57
Title: Smart is as Smart Does, Author: Pat Battaglia
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Smart is as Smart Does
by Pat Battaglia
eBook $4.95
Title: 101 Interesting Questions, Author: Krissy Falzon
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101 Interesting Questions
by Krissy Falzon
eBook $3.99
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Brain Training: Regain Focus and Improve Your Memory for Good
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Brain Training: Regain Focus…
by Adam Fondey
Narrated by  Digital Voice Marcus G
Audiobook (Unabridged)

$2.99

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Title: Los mágicos números del Doctor Matrix: Conviértete en un maestro de los números, Author: Martin Gardner
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Los mágicos números del Doctor…
by Martin Gardner
eBook $6.99
Title: 365 Days of Riddles: A Collection of Classic Rhyming Riddles to Sharpen Your Wits, Author: Susan Brown
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365 Days of Riddles: A…
by Susan Brown
Paperback $13.95
Title: The Brain Fitness Workout: Brain Training Puzzles to Improve Your Memory Concentration Decision Making Skills and Mental Flexibility, Author: Philip Carter
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The Brain Fitness Workout:…
by Philip Carter
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Paperback $21.99

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