An arcane ritual reveals a code hidden within Thelema's most holy book. Over a period of several years, the former head of Kenneth Grant's Typhonian Order in the United States, conducted a bizarre sexual ritual with elements of Thelema, Lovecraft, and the Egyptian mummification ceremony to unlock a mathematical code buried in plain sight in Aleister Crowley's Book of the Law. Jeffrey Evans, a follower of Aleister Crowley's Thelema since his teenage years, had an encounter on a bridge in Washington, DC, with a being he identified as his holy guardian angel. This being--Karla--provided him with the inspiration to begin a series of rituals incorporating Egyptian and Lovecraftian elements in an effort to traverse the Tunnels of Set: pathways on the 'dark side' of the Qabalistic Tree of Life. The ritual, conducted with his wife, Ruth Keenan, employed cross-dressing and bondage as well as Cthulhian imagery and chanting, and resulted in a series of revelations concerning the mathematical