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.

Dettagli sul prodotto

• Autori: Emily Bone, Bone Emily, Emily Bone & Sam Meredith
• Con la collaborazione di: Sam Meredith (Illustrazione), Meredith Sam (Illustrazione)
• Editore: Usborne Publishing
• Lingue: Inglese
• Raccomandazione d'eta': 6 a 9 anni
• Formato: Tascabile
• Pubblicazione: 01.03.2015
• EAN: 9781409584612
• ISBN: 978-1-4095-8461-2
• Pagine: 112
• Dimensioni: 131 mm x 198 mm x 10 mm
• Serie: Activity and Puzzle Books; Usborne Puzzles
• Categorie: Libri per bambini e per ragazzi > Saggi / saggi illustrati > Tematiche generali, opere di consultazione; General knowledge & trivia (Children's / Teenage), Interest age: from c 6 years