• Sexuality, Magic and Perversion
• The Forbidden Universe
• Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizatio
• The Vengeful Djinn: Unveiling the Hidden Agenda of Genies
• Hidden History: Lost Civilizations, Secret Knowledge, and Ancient Mysteries
• Forbidden History: Prehistoric Technologies, Extraterrestrial Intervention, and the Suppressed Origins of Civilization
• The 12th Planet
• The Rise and Fall of the Nephilim
• Fallen Angels, the Watchers, and the Origins of Evil
• Search: A Novel of Forbidden History
• Secret and Suppressed: Banned Ideas and Hidden History
• The Secret History of Lucifer: And the Meaning of the True Da Vinci Code
• A Dark Muse: A History of the Occult