The Occult: A History is a 1971 nonfiction occult book by English writer, Colin Wilson. Topics covered include Aleister Crowley, George Gurdjieff, Helena Blavatsky, Kabbalah, primitive magic, Franz Mesmer, Grigori Rasputin, Daniel Dunglas Home, Paracelsus, P. D. Ouspensky, William Blake, Giacomo Casanova, Heinrich …