9780517657041
Codes, Ciphers, And Secret Languages - Fred B. Wrixon
Random House Value Publishing (1989)
In Collection
#5925

Read It:
Yes
Ciphers, Ciphers/ History, Cryptography, Cryptography - History, Cryptography/ History

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
Dewey 652.8
Format Hardcover
Cover Price 5,49 €
No. of Pages 266
Height x Width 240 mm