Book of the Sacred Magic of Abra-Melin - Hardcoverby S. L. MacGregor Mathers (Author) The Book of the Sacred Magic of Abra Melin is a grimoire, or magical text, written by an unknown author in the 15th century. It was later translated and edited by S. L. MacGregor Mathers, a prominent member of the Hermetic Order of the Golden Dawn, in the late 19th century. The book contains instructions and rituals for summoning and communicating with angels and demons, as well as techniques for achieving personal