ENGLISH

Spy Codes and Ciphers

By Susan K. Mitchell

Book information

Publisher
Inc., Enslow Publishers
Year
2013
ISBN
9781464504099, 9780766037090, 2010006176, 9781598453539, 9781464604096, 9780766046986
Language
english
Format
EPUB
Filesize
4 MB (3751563 bytes)
Pages
\0
Time added
2023-01-02 14:36:52
Juvenile Nonfiction; Law; JNF030000

Description

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.

Similar books