Author: Fred B. Wrixon Publisher: ISBN: 9780760754788 Category : Ciphers Languages : en Pages : 704
Book Description
"Learn the fascinating world of codes--from deciphering ancient hieroglyphics to ciher machines used in the world wars to computer cryptology for encoding financial transactions"--Jacket.
Author: Fred B. Wrixon Publisher: Random House Value Publishing ISBN: Category : Ciphers Languages : en Pages : 280
Book Description
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.
Author: Gyles Daubeney Brandreth Publisher: Sterling Publishing (NY) ISBN: 9780806946900 Category : Language Arts & Disciplines Languages : en Pages : 134
Book Description
Explains how to use secret codes, including Morse, Caesar's, Sandwich, Rosicrucian, and others, as well as how to send hidden messages using invisible ink, how to take fingerprints, and other tricks and techniques.