He covers Rosicrucianism and other secret societies alchemy cryptology Kabbalah Tarot pyramids the Zodiac Pythagorean philosophy Masonry gemology Nicholas Flammel the identity of William Shakespeare The Life and Teachings of Thoth Hermes Trismegistus The Qabbalah The Hiramic Legend The Tree of the Sephiroth and Mystic Christianity. There are more than 200 illustrations included here (and in the trade paperback edition) many of which have been omitted from other publisher's editions of this book. This is essential reading for anyone wishing to explore esoteric knowledge.