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Secret Codes Book and CD-ROM Pack: Level 4 + Audio

Posted By: TimMa

Date: 13 Oct 2011 09:26:03

For thousands of years people have used codes and ciphers to keep secrets from people who will do anything to learn them. How did secret messages cause a queen to lose her head? How have lost languages finally been understood? How did one little-known language help a country win a war? Read this book and find out.

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