Over 50 secret codes

Code-cracking skills can be put to the test in this entertaining book which teaches children how to write and decode secret messages. Includes Semaphore and Morse code, the Grid code used in the American Civil War, Egyptian hieroglyphics, number replacement and alphabet switching codes and more. Each page features a different type of code, with an explanation of how it works and a practice code to crack. All answers are available at the back of the book.

Age
    6
Key Stage
    KS1/2
BIC CBMC
    B5N79
Paperback
    ISBN: 9781409584612
    Extent: 112 pages
    Dimensions: 198 x 130mm

OPINIA CITITORILOR