No. of pages 32
Published: 2009
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This book is part of a book series called Spies And Spying .
There are 32 pages in this book. This book was published 2009 by Hachette Children's Group .
Andrew Langley is an author of hundreds of children's books and has focused his writing on educational resources.
This book has the following chapters: Sending Secrets Ancient Secrets Ciphers And Plotters Mighty Machines Purple And Enigma Cipher Machines The Code Talkers Using Codes Today Glossary Index And Webfinder
This book is in the following series: