Ancient High Tech: The Astonishing Scientific Achievements of Early Civilizations

Power Places and the Master Builders of Antiquity: Unexplained Mysteries of the Past

Survivors of Atlantis: Their Impact on World Culture

The Destruction of Atlantis: Compelling Evidence of the Sudden Fall of the Legendary Civilization

The Lost Civilization of Lemuria: The Rise and Fall of the World's Oldest Culture

Before Atlantis: 20 Million Years of Human and Pre-Human Cultures

The Lost Treasure of King Juba: The Evidence of Africans in America before Columbus

Atlantis and Other Lost Worlds

Atlantis: And Other Lost Worlds

Atlantis and Other Lost Worlds: New Evidence of Ancient Secrets

Atlantis and Other Lost Worlds

Military Encounters with Extraterrestrials: The Real War of the Worlds

The Power of Coincidence: The Mysterious Role of Synchronicity in Shaping Our Lives

Gods of the Runes: The Divine Shapers of Fate

The Axis Air Forces: Flying in Support of the German Luftwaffe

The Axis Air Forces: Flying in Support of the German Luftwaffe