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The Six Unsolved Ciphers: Inside the Mysterious Codes That Have Confounded the World's Greatest Cryptographers
The Six Unsolved Ciphers Inside the Mysterious Codes That Have Confounded the World's Greatest Cryptographers
Author: Richard Belfield
From Ovaltine's secret decoder badges used during 1940s radio broadcasts to Dan Brown's cipher-solving hero in The Da Vinci Code, secret codes have forever excited the imagination of children and adults alike. Now, The Seven Unsolved Ciphers brings to life the amazing stories and fascinating structures of the secret codes that have...  more »
ISBN-13: 9781569756287
ISBN-10: 1569756287
Publication Date: 8/28/2007
Pages: 312
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Publisher: Ulysses Press
Book Type: Paperback
Members Wishing: 2
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