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Home / Spy Codes and Ciphers
Spy Codes and Ciphers
Hardback

Spy Codes and Ciphers

Susan K Mitchell
$93.99
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Can flashing lights send out a secret message? Did a famous spy use sketches of butterflies to hide messages? Can a digital photo hide a secret code? For centuries, spies have used many different ways to pass secret information. Codes and ciphers keep information safe from the enemy. Author Susan K. Mitchell uncovers the secrets to the amazing world of spy codes and ciphers.

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MORE INFO
Format
Hardback
Publisher
Enslow Publishing
Country
United States
Date
16 January 2012
Pages
48
ISBN
9780766037090

Can flashing lights send out a secret message? Did a famous spy use sketches of butterflies to hide messages? Can a digital photo hide a secret code? For centuries, spies have used many different ways to pass secret information. Codes and ciphers keep information safe from the enemy. Author Susan K. Mitchell uncovers the secrets to the amazing world of spy codes and ciphers.

Read More
Format
Hardback
Publisher
Enslow Publishing
Country
United States
Date
16 January 2012
Pages
48
ISBN
9780766037090

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