
Codes and Ciphers
Available
All you need to know about making and breaking codes.Gem Codes and Ciphers touches on everything from the smoke signals used by Native American Indians to encryption devices used by government agencies and the military.Not only does this handy, pocket-sized book cover the history of the development of codes and ciphers, it also has practical information and advice on how to make codes and, more im...
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E-book
epub
Price
3.91 £ * Old Price 3.99 £
All you need to know about making and breaking codes.Gem Codes and Ciphers touches on everything from the smoke signals used by Native American Indians to encryption devices used by government agencies and the military.Not only does this handy, pocket-sized book cover the history of the development of codes and ciphers, it also has practical information and advice on how to make codes and, more im...
Read more