Arthur Johnson Memorial Library

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Code breakers

by Adams, Simon
Additional authors: Chrisp, Peter
Series: Secret worlds Published by : DK Publishing, (New York, NY :) Physical details: 96 p. : ill. (some col.) ; 20 cm. ISBN:078948529X ; 0789485303 (pbk.).
Subject(s): Ciphers | Cryptography
Year: 2002
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Item type Current location Call number Status Date due Barcode
j 600 - 699 j652.8 Ada (Browse shelf) Available 79881

"A Dorling Kindersley book."

"Includes top websites"--Cover.

The world of codes...how to break codes.

9 - 12 years