The success of Fabio Listrani's Goetia: Tarot in Darkness (9780738770284) has led to the creation of a unique book focusing on the 72 demons of the Ars Goetia . This book showcases essential information from ancient medieval grimoires as well as the unique seals of each demon. Originally the accompanying text to the Goetia: Tarot in Darkness , the book has new sections dedicated to tools and spells for practicingthe art of divination, making it an essential manual for researchers and practitioners of the occult.