A Field Guide to Demons, Fairies, Fallen Angels and Other Subversive Spirits

The Encyclopedia of Demons and Demonology

The Dictionary of Demons: Names of the Damned

A Dictionary of Angels: Including the Fallen Angels

The Black Arts: A Concise History of Witchcraft, Demonology, Astrology, and Other Mystical Practices Throughout the Ages (Perigee)

Grimorium Verum

An Exorcist's Field Guide: to Blessings, Consecrations and the Banishment of Malevolant Entities

The Friendly Guide to Mythology: A Mortal's Companion to the Fantastical Realm of Gods Goddesses Monsters Heroes

The Mythical Creatures Bible: The Definitive Guide to Legendary Beings

The New Encyclopedia of the Occult

The Monster Hunter's Handbook: The Ultimate Guide to Saving Mankind from Vampires, Zombies, Hellhounds, and Other Mythical Beasts