• Tree by Tolkien
• World Famous Cults and Fanatics
• Lifeforce
• Ritual in the Dark
• Serial Killer Investigations
• Afterlife
• Alien Dawn: A Classic Investigation into the Contact Experience
• The Atlantis Blueprint
• The Essential Colin Wilson
• The Mammoth Encyclopedia of Unsolved Mysteries
• The Strange Life of P. D. Ouspensky
• Beyond the Occult
• The Serial Killers: A Study in the Psychology of Violence
• A Criminal History of Mankind
• The Outsider
• Supernatural
• Strange Powers
• From Atlantis to the Sphinx
• Poltergeist: A Classic Study in Destructive Haunting