THE HIDDEN HISTORY OF CODE-BREAKING: The Secret World of Cyphers, Uncrackable Codes, and Elusive Encryptions
A fascinating exploration of the uncrackable codes and secret cyphers that helped win wars, spark revolutions and change the faces of nations. Well illus.
						Format: Hardbound
						Pages: 391
						Publisher: Pegasus
																		ISBN: 9781639364343
						Item #: 9046984
					
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