Grimorium Verum is one of the most notorious handbooks of black magic, also known as The True Grimoire from the 18th-19th century, this Grimoire is one of the few that deals openly with spirits of darkness. People have long sought the aid of non-physical beings; King Solomon in particular had a reputation since ancient times for commanding demons.  There are many texts purporting to reveal Solomon's methods, but most are extremely complicated and difficult. Grimorium Verum is one of the easier texts, but also one of the most sinister. Edited and translated into English by Edmund Kelly the Grimorium Verum Is a book that holds its place in occult literature.