This incredible book by John Pickering is a must-have for any code enthusiast. With its in-depth analysis of various codes, it is no wonder that it has been published by Mensa Publications. The book is available in a convenient paperback format, making it easy to carry around and read on the go. The title, ‘Incredible Code Book’ is a testament to the quality of the book. It covers a wide range of codes, making it an excellent reference guide for anyone interested in the subject. Whether you are a beginner or an experienced coder, this book is sure to provide you with hours of enjoyment.