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on 25 March 2011
This book explains a lot of cryptography shemes "from the ancient pharaohs ti tha quatnum cryptography". It has a lot of pictures, very good paper quality and is easily read by every age group.
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on 1 February 2009
Very informative book, a great read - If your interested in Code / Cryptography or the history of Encryption then this is the book for you.
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on 8 June 2016
given as a gift. recipient loved it.
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on 17 December 2014
A very interesting book. Thank you.
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on 8 September 2014
Q BRTE IN VB CODED
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