The Pleroma: An Essay on the Origin of Christianity

Demons, the Devil, and Fallen Angels

Mindfulness-Based Stress Reduction: The MBSR Program for Enhancing Health and Vitality

Fundamental Problems: The Method of Philosophy as a Systematic Arrangement of Knowledge

Fallen Angels: . . . And Spirits of the Dark

God: An Enquiry Into the Nature of Man's Highest Ideal and a Solution of the Problem from the Standpoint of Science

Evil Unleashed: True Tales of Spells Gone to Hell and Other Occult Disasters

The Foundations of Mathematics

The Devil's Notebook

Grimoires: A History of Magic Books

The End of Faith: Religion, Terror, and the Future of Reason

The History of Witchcraft and Demonology

Lilith Magick: Infernal Magick

The Book of Black Magic and of Pacts: Including the Rites and Mysteries of Goetic Theurgy, Sorcery, and Infernal Necromancy, also the Rituals of Black Magic (The Book of Ceremonial Magic)

A Trip Into the Supernatural

Thus Spoke Zarathustra: A Book for Everyone and Nobody

What We Owe the Future

Demonolatry: An Account of the Historical Practice of Witchcraft