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A note on book covers: while we do our best to ensure the accuracy of cover images, ISBNs may at times be reused for different editions of the same title which may hence appear as a different cover.
Collins Gem Codes & Ciphers: Making Them And Breaking Them
Collins Gem Codes & Ciphers: Making Them And Breaking Them
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A note on book covers: while we do our best to ensure the accuracy of cover images, ISBNs may at times be reused for different editions of the same title which may hence appear as a different cover.

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One Line Summary
Engaging guide to code history, creation, and cracking.
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Who is this book for?
If you're fascinated by secrets and puzzles, this book is a treasure. It offers a captivating journey from ancient smoke signals to modern encryption, making complex concepts accessible and fun. Whether you're a budding cryptographer or just intrigued by spy stories, you'll find it both informative and inspiring.