Synopsis
Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Nihilist, grille, U. S. Army, key-phrase, multiple-alphabet, Gronsfeld, Porta, Beaufort, periodic ciphers, and more. Simple and advanced methods. 166 specimens to solve — with solutions.
Publisher information
- Publisher: Dover Publications Inc.
- ISBN: 9780486200972
- Number of pages: 256
- Dimensions: 220 x 140 x 13 mm
- Weight: 300g
- Languages: English













