The Usborne book of secret codes / O'Brien, Eileen

Author:

ISBN13: 
9780746023297
Compare Title: 
theusbornebookofsecretcodes
Call Number: 
652

The Usborne book of secret codes

  • O'Brien, Eileen
1997
Describes famous cases involving codes and ciphers, explains different ciphers, and tells how to create your own.
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