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Secret Codes: Create And Send Your Own Hidden Messages And Cryptic Communications
Robert Jackson
Paperback (Running Press, July 11, 2002)Includes Morse Code transmitter, receiver, and linking wire; Jefferson wheel; and sempahore flags. This innovative book and kit for ages 6 to 12 features everything needed to decipher a variety of codes. Kids can send hidden messages to their friends while learning and having fun. Text explores the fascinating history of secret codes as used by Native Americans during World War II, as well as instructions on sending messages via Morse Code, semaphore flags, ciphers, and braille.
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Secret Codes
Jackson R
Paperback (Running Press, Sept. 29, 1996)In a hands-on, action-oriented kit containing information about codes throughout history, from ancient times to the present day, young readers can create their own cryptic communications by using the kit's electronic Morse code sender, decoder wheels, rune-like symbols, and more.
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Secret Codes
Robert Jackson
Paperback (Running Press Book Publishers, March 15, 1791)None