Spy Codes and Ciphers

Name: Spy Codes and Ciphers
Brand: Enslow Publishing
SKU: 9780766037090
Price: 2588.00 INR
Availability: InStock

by Susan K. Mitchell

Enslow Publishing

₹2,588

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From the publisher

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.

Description supplied by the publisher.