Theurgy, or the Hermetic Practice: A Treatise on Spiritual Alchemy

Theurgy means "the science or art of divine works." In alchemy, this process is called the "Great Work," which is the purification and exaltation of our "lower" nature by the proper application of esoteric principles, so that it may become united with its higher counterparts, whereby we may attain spiritual, and ultimately divine, consciousness.

Drawing on the teachings of the Egyptian, Greek, and Hebrew mystery schools and quoting extensively from important alchemical writers, Garstin detai...