Angel Magic:  The Ancient Art of Summoning and Communicating with Angelic Beings (World Religion and Magic Series)
A long-held belief is that a magician can harness the power of spiritual beings to control the physical world: Angel Magic is the manifestation of this belief, and here enjoys many specifics. From how to conjure occult beings to understanding basic Angel Magic principles, this culls information from many sources to provide a history and a range of insights into the practices of early magicians.  --Midwest Book Review