Publisher's Synopsis
Explains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.
Codes, Ciphers, and Secret Writing
Book (01 Jan 1972)
Not available for sale
Includes delivery to the United States
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Book information
| ISBN: | 9780671652012 |
| Publisher: | Simon and Schuster |
| Imprint: | Simon and Schuster |
| Pub date: | 01 Jan 1972 |
| DEWEY: | 001.5436 |
| Language: | English |
| Number of pages: | 96 |
| Weight: | -1g |
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