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Alan Turing Codebreaker's Puzzle Book

Alan Turing Codebreaker's Puzzle Book

by Gareth Moore Author

An excellent collection of puzzles that allows you to test your codebreaking skills. If you can solve every puzzle in …

$12.95

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Brain Workout: Tips and Techniques to Train your Mind

Brain Workout: Tips and Techniques to Train your Mind

by Gareth Moore Author

Keep your brain limbered up, worked out, and strong with these tips and exercises. Hone your logical reasoning, number …

$14.95

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Expert Codebreakers (The Turing Tests)

Expert Codebreakers (The Turing Tests)

by Gareth Moore Author and Dermot Turing Foreword

A book of really difficult puzzles designed to give your brain a workout. Logic puzzles, anagrams, codes, word games, …

$9.99

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