By Gary Blackwood
This interesting examine history?s such a lot mysterious messages is choked with puzzles to decode and ciphers that youngsters can use themselves. listed below are the encrypted notes of Spartan warriors, the intense code-crackers of Elizabeth I, mystery messages of the yankee Revolution, undercover agent books of the Civil battle, the recognized Enigma computer, and the Navajo code talkers. As pcs swap the way in which we speak, codes this day are extra interesting than ever.
From invisible ink to the CIA, this fascinating journey via historical past is a hands-on, interactive adventure? so get cracking!
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Extra info for Mysterious Messages: A History of Codes and Ciphers: A History of Codes and Ciphers
Mysterious Messages: A History of Codes and Ciphers: A History of Codes and Ciphers by Gary Blackwood