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.
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Children love to learn secret codes and write encrypted messages and this book will teach them everything they need to know, including Semaphore and Morse code, "Grid code" used in the American Civil War, Egyptian hieroglyphics and traditional number replacement and alphabet switching codes.
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Produktdetaljer

ISBN
9781409584612
Publisert
2015-03-01
Utgiver
Vendor
Usborne Publishing Ltd
Vekt
190 gr
Høyde
64 mm
Bredde
131 mm
Dybde
11 mm
Aldersnivå
J, 02
Språk
Product language
Engelsk
Format
Product format
Heftet
Antall sider
112

Forfatter
Illustratør

Biographical note

Emily Bone grew up among the rolling hills of Hampshire, writing stories about the ants and birds in her garden. After studying English at Cambridge, she found her dream job at Usborne in 2007. Since then, she's written about many weird and wonderful creatures, along with books on space, fashion and food.