book cover of Secret and Urgent

Secret and Urgent

(1939)
The Story of Codes and Ciphers, Vol. 72
A non fiction book by

 
 
This is a reproduction, without changes, of a classic text in cryptographic literature. Fletcher Pratt has written an outstanding light-reading book concerning classical cryptography and cryptanalysis. The history of codes and ciphers is covered extensively.



Used availability for Fletcher Pratt's Secret and Urgent

Hardback Editions

June 1942 : USA Textbook Binding

Title: Secret and Urgent: The Story of Codes and Ciphers
Author(s): Fletcher Pratt
ISBN: 0-89760-721-X / 978-0-89760-721-6 (USA edition)
Publisher: Telegraph Books
Availability: Amazon   


Paperback Editions

April 1996 : USA Paperback
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Title: Secret & Urgent: The Story of Codes & Ciphers
Author(s): Fletcher Pratt
ISBN: 0-89412-261-4 / 978-0-89412-261-3 (USA edition)
Publisher: Aegean Park Pr
Availability: Amazon   Amazon UK   Amazon CA   Amazon AU