10% OFF

Spy Codes And Ciphers eBook

by Susan K. Mitchell
language: english
Publisher: Enslow Publishing, LLC, January of 2012 ‧
37,01€
10% OFF CARD
IMMEDIATE AVAILABILITY
Ebook for ADE
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.

Spy Codes And Ciphers

by Susan K. Mitchell

Property Description
ISBN: 9780766046986
Publisher: Enslow Publishing, LLC
Release Date: January of 2012
Language: English
Pages: 48
Format: eBook
File Format and Compatibility: PDF para ADE
Categories: eBooks in English > Others
EAN: 9780766046986