The Key of Solomon Concerning Prayers and Conjurations is a book written by S. L. MacGregor Mathers. It is a translation of the ancient grimoire, The Key of Solomon, which is believed to have been written in the Middle Ages. The book contains a collection of prayers and conjurations that were used by magicians and sorcerers to summon spirits and demons. It also includes instructions on how to create magical talismans and amulets, as well as how to...