• Aleister Crowley
• The Age of Defeat
• Below the Iceberg
• Beyond the Occult
• Poltergeist: A Classic Study in Destructive Haunting
• The Mind Parasites
• Tree by Tolkien
• The Outsider
• World Famous Cults and Fanatics
• The God of the Labyrinth
• Alien Dawn: A Classic Investigation into the Contact Experience
• Lifeforce
• Supernatural
• Manhunters
• Strange Powers
• Serial Killer Investigations
• Rudolf Steiner
• Afterlife
• From Atlantis to the Sphinx
• The Mammoth Encyclopedia of Unsolved Mysteries
• The Essential Colin Wilson
• Man Without a Shadow
• Ritual in the Dark
• Witches
• The Atlantis Blueprint
• The Serial Killers