Eliphas Levi (1810-1875), born Alphonse Louis Constant, was a sage, poet and author of over twenty esoteric books. He began writing at 22 years of age and was imprisoned twice for the critical nature of his work. He explored the mysteries of nature, such as spiritualism and fluidic phantoms, according to Enoch, Abraham, Hermes Trismegistes and Solomon. Magical mysteries, the Theory of the Will with its 22 axioms are divulged. And finally it offers "the great practical secrets." The true greatness of this work, however, lies in its ability to place occult thought firmly in Western religious traditions. For Levi, the study of the occult was the study of a divine science, the mathematics of God. Translated to English with an introduction by Aleister Crowley