Secret codes

Secret codes

Betty, Ken
English

Synopsis Secret codes

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.
EAN
9781405852227
Editorial
Year of edition
2007
Idiom
English
Collection
PENGUIN ACTIVE READING (+CD)
High
300
Width
200
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