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Codes & ciphers

Codes & ciphers

Christina Ashton

About this book

Provides the history behind codes and ciphers as used in spying and explains how readers themselves can make and use their own secret codes.

Details

OL Work ID
OL4310898W

Subjects

CiphersCryptographyJuvenile literature

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Open Library
Book data from Open Library. Cover images courtesy of Open Library.