50 Secret Codes
Author: Bone, Emily
ISBN: 9781409584612
Publisher: Usborne
Year First Published: 2015
Pages: 112
Dimensions: 197mm x 133mm x 9mm
Format: Paperback / softback
Description:
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.
ISBN: 9781409584612
Publisher: Usborne
Year First Published: 2015
Pages: 112
Dimensions: 197mm x 133mm x 9mm
Format: Paperback / softback
Description:
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.
