Secrets With Ciphers and Codes,Joel Rothman
Secrets With Ciphers and Codes,
Joel Rothman · 1972
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About the book
Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.
Book details
- Year
- 1972
- Language
- English
- Publisher
- Atheneum
- Editions
- 1
- ISBN
- 9780020449706
Data source: Wikidata
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