Languages:English (Unknown), English (Original Language), English (Published) Media:Paperback Pages:160 Number Of Items:1 Shipping Weight (lbs):0.4 Dimensions (in):8 x 5.4 x 0.4
ISBN:048620247X EAN:9780486202471 ASIN:048620247X
Publication Date:June 1, 1955 Availability:Usually ships in 1-2 business days
Elementary account of ciphers, history, types, etc., with 151 examples of ciphers and codes. Solutions. Good introduction for beginners.
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