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"Codes and codebreaking explains how spies through the ages have sent messages in secret. Clever new codes have constantly been developed, only for even cleverer codebreakers to set about uncovering their secrets. Some of these messages have caused wars, and others have saved lives. And still today, codes are a vital part of the spy's trade."--Back cover.
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Book Details
Table of Contents
Sending secrets
Ancient secrets
Ciphers and plotters
Mighty machines
Purple and enigma cipher machines
The code talkers
Using codes today.
Edition Notes
Includes index.
Classifications
The Physical Object
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- Created January 7, 2009
- 9 revisions
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September 21, 2024 | Edited by ImportBot | import existing book |
December 20, 2020 | Edited by MARC Bot | import existing book |
July 14, 2020 | Edited by CoverBot | Added new cover |
December 17, 2019 | Edited by ImportBot | import existing book |
January 7, 2009 | Created by ImportBot | Imported from Library of Congress MARC record |