Secret Codes

Secret Codes - Penguin Active Reading.

Paperback (20 Sep 2007)

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Publisher's Synopsis

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.

Book information

ISBN: 9781405852227
Publisher: Pearson Education
Imprint: Penguin
Pub date:
DEWEY: 428.6
DEWEY edition: 22
Language: English
Weight: 174g
Height: 211mm
Width: 150mm
Spine width: 5mm