Usborne Puzzles – serie

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1 produkter

1. 

   Over 50 Secret Codes

   Av Emily Bone

   Häftad, 2015

   84 kr

   Lägg i varukorg

   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. …