Codes, Ciphers and Secret Writing
Edición de la obra Codes, Ciphers and Secret Writing
| Autor | Martin Gardner |
|---|---|
| Editorial | Simon & Schuster |
| Fecha de publicación | September 3, 1978 |
| Idioma | inglés |
| Páginas | 114 |
| Formato | Mass Market Paperback |
| ISBN-13 | 9780671299545 |
| ISBN-10 | 0671299549 |
| Número de Cutter | G227c |
Explains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.