The names were written long before fear had a language. From ancient Mesopotamian spirits and biblical adversaries to grimoire demons, fallen angels, jinn, oni, dybbuk, devils, and folklore's darkest beings, The Demon Dictionary is a richly written A to Z guide to the world's most feared supernatural names. This is a cultural, historical, and folkloric reference book exploring how demons were imagined, recorded, feared, worshipped, demonized, and remembered across civilizations. Inside you will discover: Ancient demons from Mesopotamia, Persia, Greece, Persia, and the Near East Biblical and apocryphal figures including Satan, Azazel, Abaddon, and Asmodeus Grimoire spirits from the Solomonic tradition Female demon figures including Lilith, Lamastu, Agrath bat Mahlat, and others Jinn, oni, dybbuk, night spirits, tempters, destroyers, and underworld beings Origins, meanings, warnings, symbols, folklore, and cultural context Clear distinctions between gods, spirits, monsters, fallen angels, and true demonsThe Demon Dictionary does not teach summoning or ritual practice. It is a serious, atmospheric reference work about the stories, scriptures, grimoires, and fears that shaped demonology across the world. For readers of occult history, folklore, comparative religion, demonology, grimoires, supernatural reference books, and dark mythology, this is a deep and beautifully written guide to the names that still carry power.