Loads of code secrets and ciphers,this book is written by Paul B. Janeczko. It’s very interesting book, you can enjoy with secrets. This book is all about the basic secret codes and cipher systems and it’s history. You can learn how to write it and also you can get many ideas to create your own code and ciphers. In this book, there are lots of systems like Caesar ciphers, Morse code, zigzag cipher, skytale, line cipher and more. If you want to do something little secret and have to send messages to your friend, you can use those secret systems and for it, this book might be helpful.