The Book of the Sacred Magic of Abramelin the Mage
This system is known from a unique 15th century manuscript preserved in the Bibliotheque de I'Arsenal in Paris - Around the turn of the century, when Aleister Crowley was working out his system of Magick, the source that he turned to for basics was the system of Abramelin of Egypt. From Abramelin he took his concepts of protections, purifications, evocations, vestments, and dromena down to specific details.
The Book of the Sacred Magic of Abrameling the Mage by S.L MacGregor Mathers: Fifteenth-century document provides instructions — for the period's professional magicians and sorcerers — for evoking good and evil spirits, divining rare metals and treasures, warding off evil magic, healing illnesses, rendering oneself invisible, reading minds, working black magic, and more. An entertaining medieval course in legerdemain and one of the most important books in the history of occultism. 268 Pages