This is a book, yes. However, it is designed to expose Rebus's secrets that are not hidden but on full view. The first part is an introduction to my hosts, all of whom are dead but they have left us with many secrets. So you are initially introduced to them and their secrets, or some of them are revealed. Then there is The Appendix and in that, various topics which help you understand and also empower you to discover more. One tool is the meaning of the letters in the English Alphabet in upper case. Our most-used letter is the letter E. It means 'capable of taking in, holding and giving out energy and information'. A book is like a letter E. If you thumb from where you are now towards the front cover and stop, you stop at a page. Page read backwards is EGAP. Read on.