Ciphers and Codes
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ISBN-13:
9781588109408
ISBN:1588109402
Publisher: Heinemann-Raintree Summary: Open this book to learn about ciphers and codes -- the tools used to keep a message secret. See how ciphers were used by the patriots in the American Revolutionary War. Find out how to make your own cipher. In this book, you will: discover how flag signals and smoke signals work, see how computers use ciphers and codes today, find out how you can break a cipher without a key. Book jacket.
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Product Details
ISBN-13:
ISBN:
Publisher: Heinemann-Raintree
9781588109408
ISBN:
1588109402
Publisher: Heinemann-Raintree
Open this book to learn about ciphers and codes -- the tools used to keep a message secret. See how ciphers were used by the patriots in the American Revolutionary War. Find out how to make your own cipher. In this book, you will: discover how flag signals and smoke signals work, see how computers use ciphers and codes today, find out how you can break a cipher without a key. Book jacket.
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