Her er noen av bøkene han har skrevet:
- "The Last Great Plague:The Mysterious, Deadly Virus that Swept the Globe in the 1970s" (1977)
- "Celluloid Prophecy:Celluloid Prophet" (1979)
- "The World God:The Cosmic Reality Revealed by Ancient Science and Ancient Art" (1980)
- "World Gods and Spaceships:Evidence of Divine Beings in the Cosmos" (1982)
- "Celestial Mirrors:Ancient Science in Art and Architecture" (1990)
- "The Cosmic Serpent:DNA and the Origins of Knowledge" (1991)
- "Guds plan for den menneskelige fremtiden:løftet og skjebnen" (1992)
- "UFO-forbindelsen med eldgamle sivilisasjoner" (1992)
- "UFOs and the Great White Brotherhood" (1993)
- "The Great Cosmic Mother:Rediscovering the Religion of the Earth" (1994)