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.

Product details

• Authors: Emily Bone, Bone Emily, Emily Bone & Sam Meredith
• Assisted by: Sam Meredith (Illustration), Meredith Sam (Illustration)
• Publisher: Usborne Publishing
• Languages: English
• Age Recommendation: ages 6 to 9
• Product format: Paperback
• Released: 01.03.2015
• EAN: 9781409584612
• ISBN: 978-1-4095-8461-2
• No. of pages: 112
• Dimensions: 131 mm x 198 mm x 10 mm
• Series: Activity and Puzzle Books; Usborne Puzzles
• Subjects: Children's and young people's books > Non-fiction books / Non-fiction picture books > General, reference works; General knowledge & trivia (Children's / Teenage), Interest age: from c 6 years