Codes, ciphers, and secret writing
Book - 1972
Explains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.
Saved in:
- Subjects
- Published
-
New York :
Simon and Schuster
[1972]
- Language
- English
- Main Author
- Physical Description
- 96 p. : ill. ; 24 cm
- Bibliography
- Includes bibliographical references (p. 94-96).
- ISBN
- 9780671652012
- Introduction
- 1. Easy Transposition Ciphers
- 2. Easy Substitution Ciphers
- 3. How to Break Substitution Ciphers
- 4. Hard-to-break Polyalphabetic Ciphers
- 5. Simple Code Machines
- 6. Invisible Writing
- 7. Bizarre Methods of Message Sending
- 8. Codes for Other Worlds
- References for Further Reading