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DR GARETH MOORE

Bestselling international puzzle and brain-training author
"Britain's King of Puzzles" –The Sun

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The Ultimate Code Breaker's Puzzle Book: Over 50 Puzzles to become a super spy, crack codes and train your brain

Beetle Books, 2023

The Ultimate Code Breaker's Puzzle Book: Over 50 Puzzles to become a super spy, crack codes and train your brain

Buy on Amazon

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