All Formats & Editions
1 - 2 of 2 results found
Spy Codes and Ciphers
Edition 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...
Edition Details
Format:Paperback
Language:English
ISBN:159845353X
Format: Paperback
Temporarily Unavailable
0 people are interested in this title.
We receive fewer than 1 copy every 6 months.
Spy Codes and Ciphers
Edition 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...
Edition Details
Format:Library Binding
Language:English
ISBN:0766037096
Format: Library Binding
Condition:
$
5.99
Save $21.94!
List Price: $27.93
Almost Gone, Only 1 Left!
Copyright © 2026 Thriftbooks.com
Terms of Use | Privacy Policy | Do Not Sell/Share My Personal Information | Cookie Policy | Cookie Preferences | Accessibility Statement
ThriftBooks ® and the ThriftBooks ® logo are registered trademarks of Thrift Books Global, LLC
ThriftBooks ® and the ThriftBooks ® logo are registered trademarks of Thrift Books Global, LLC
