Codes and scret writing is an introduction to a cascinating hobby.

Explains various methods used in cryptography and presents examples to help readers in breaking secret codes

Presents history, trivia, and code-breaking tales in a guide book to the world of secret writing that includes examples of a variety of codes and ciphers.

An explanation of the development, methods, and use of cryptography throughout history.

The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up