Become a super spy, crack codes, and train your brain!

By using math and logic to solve and navigate the codes inside, kids will build great skills to help them with problem solving and reasoning. Developed by Dr. Gareth Moore, an expert in the field, this book will have your kids cracking codes in no time!

• Reveal secret messages with codes used by real-life spies
• Use math to crack into mysterious safes
• Become a master tech-decoder using logic.
• Discover cryptic coordinates to hunt down hidden treasure . . . and much more!

Included is 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-color graphics and illustrations throughout, this book is as eye-catching as it is entertaining.