Related Books
Language: en
Pages: 280
Pages: 280
Type: BOOK - Published: 1989 - Publisher: Random House Value Publishing
Perfect for word lovers and puzzlers, this comprehensive, illustrated volume includes Indian sign language, Morse code, Jefferson's cipher wheel and more, prese
Language: en
Pages: 144
Pages: 144
Type: BOOK - Published: 2020-06-30 - Publisher: Odd Dot
Protect your diary from snooping siblings. Share your secrets with a BFF. Guard your texts from unwanted eyes. Create the lingua franca for your own fantastical
Language: en
Pages: 100
Pages: 100
Type: BOOK - Published: 1984-01-01 - Publisher: Courier Corporation
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Language: en
Pages:
Pages:
Type: BOOK - Published: 1989-05-01 - Publisher:
Language: en
Pages: 58
Pages: 58
Type: BOOK - Published: 2017-09-02 - Publisher: Lulu.com
The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up