"Secrets of the Lost Symbol" is a true guide to the world of the mystical and occult. It is an encyclopedic dictionary that defines esoteric terms. In addition, there is another important feature: it is a reference book to Dan Brown's novel The Lost Symbol "John Michael Greer, along with all other phenomena of mysticism, interprets the obscure occult names and phenomena that are found on the pages of the world famous bestseller, giving the reader the opportunity to study the novel at a deeper level of understanding. After reading the book, you will:• learn a lot about the occult and mystical. ;•become acquainted with secret knowledge;•you will be able to read the novel “The Lost Symbol” in a new way;•you will figure out where is truth and where is fiction in the artistic universe of Dan Brown. The book is intended for a wide range of readers and will be useful for those who have long been interested in esotericism and wants to deepen their knowledge, as well as for those who have just begun to understand the issue. And, of course, “The Secrets of the Lost Symbol” is of particular interest to fans of Dan Brown’s work.