Codes & ciphers a hundreds of unusual and secret ways to send messages
Provides the history behind codes and ciphers as used in spying and explains how readers themselves can make and use their own secret codes
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cincinnati
Betterway Books
1993
|
| Subjects: | |
| Online Access: | Click Here to View Status and Holdings. |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Add Tag 
Codes, ciphers & other cryptic & clandestine communication making and breaking secret messages from hieroglyphs to the Internet
