Over 50 Secret Codes

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.

About the Author

Emily Bone grew up in the south of England with a parrot, rabbits and lots of dogs. She spent long summers watching bugs and birds in her garden and making up stories about them. After studying English at Cambridge, she found her dream job at Usborne. Emily’s written many books on wildlife, science and history. She now lives in Crystal Palace along with two spoilt budgies and enjoys running in the park and tending her vegetable garden.