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.

 

This book is part of a book series called Activity And Puzzle .

This book has been graded for interest at 6+ years.

There are 112 pages in this book. This book was published 2015 by Usborne Publishing Ltd .

Emily Bone is a published author of children's books. She has published Cowboy Things to Make and Do and 50 Secret Codes.