The New Encyclopedia of the Occult  (English, Paperback, Greer John Michael)

With this one text, you will gain a thorough overview of the history and current state of the occult from a variety of Western European and North American traditions. Its pages offer the essential knowledge you need to make sense of the occult, along with references for further reading if you want to learn more. You will find here the whole range of occult tradition, lore, history, philosophy, and practice in the Western world.