Codes, Ciphers, and Secret Languages
Fred B. Wrixon
Random House Value Publishing (1989)
In Collection
#1440
0*
Science
Ciphers, Ciphers/ History, Cryptography, Cryptography - History
Hardcover 9780517657041
English
Perfect for word lovers and puzzlers, this comprehensive, illustrated volume includes Indian sign language, Morse code, Jefferson's cipher wheel and more, presented in an informative and historical manner.
Product Details
LoC Classification Z103 .W77 1989
LoC Control Number 87032580
Dewey 652.8
Cover Price $5.49
No. of Pages 266
Height x Width 9.4  inch
Personal Details
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Links Library of Congress