Classic Codes and Ciphers - Thomas, Rachael L
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"Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys"--

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Produktbeschreibung
"Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys"--
Autorenporträt
Rachael L. Thomas is an educational writer and digital media strategist. When she isn't working on new ideas to expand children's library shelves, you'll find her at Buffalo Wild Wings.