The magickal methods and esoteric knowledge of medieval Europe (476 to 1453 C.E.) form the ancestral backbone of modern ceremonial magick. To understand medieval magick, it's necessary to know the primary repositories of this knowledge - the grimoires of spells, incantations, and ritual instructions for working with angels and conjuring spirits. And to understand the grimoires, you must delve into the life and times of the magicians who wrote them.
Scholar and magician Aaron Leitch sheds light upon the greatly misunderstood subject of the medieval mage in this comprehensive reference...

"The visualizations here draw their imagery from classical grimoires and Qabalistic philosophy. Plus, they have a specific and useful goal. Each visualization takes you on a journey into the symbolic realm of an archangel, where you are introduced to the entity's sigils and symbols and other sacred imagery before encountering the archangel himself. Each visualization builds upon those before it, until the aspirant has been led through the seven circles of heaven and has established a personal link to the archangel that governs each one. At the end, the aspirant will have learned to recognize...

In London 25-year-old Alan King receives an unexpected birthday legacy from his late father, a professor of archaeology who disappeared in mysterious circumstances eight years before at a ziggurat in Iraq. The gift is a grimoire - a book of magic - written, unbelievably, in his father's hand. Alan is a diligent student of advanced experimental physics with a brilliant scientific mind and finds it hard to come to terms with his father's seeming interest in medieval methods of summoning archangels. More worrying still is that the name of Lucifer heads the list.