Fun With Secret Writing (книга)
Fun With Secret Writing | |
Автор: | Geoffrey Lamb |
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Оригинал издан: | ???? |
«Fun With Secret Writing» — книга ???? года.
Содержание |
Содержание 
От издателя 
«Fascinating, easy-to-understand book for would-be cryptanalysts of all ages teaches how to invent and decipher a host of codes and secret messages, including the «Moving Ahead» cipher used by Julius Caesar in his secret dispatches; dots and…»