Become a super spy, crack codes and train your brain!  Code breaker's sequential puzzles are designed to help kids build great problem-solving and reasoning skills, as they navigate a mixture of fun math and logic puzzles. Developed by Dr Gareth Moore, an expert in the field, this book will have your kids cracking codes in no time!

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• Reveal secret messages with codes used by real-life spies

• Use maths to crack into mysterious safes

• Become a master tech-decoder using logic

• Discover cryptic co-ordinates to hunt down                 hidden treasure

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...and much more!

Including amazing alphabet and number codes, grids, and picture puzzles. Don’t worry; if kids get stuck, there are tips and subtle clues to help improve code-breaking skills. With full-colour graphics and illustrations throughout, this book is as eye-catching as it is entertaining.