The Pythagorean Theory of Music and Color

Killers of the Flower Moon: The Osage Murders and the Birth of the FBI

The Life and Philosophy of Pythagoras

The Journey of Crazy Horse: A Lakota History

Isis The Virgin of the World

1491: New Revelations of the Americas Before Columbus

Alchemy and Its Exponents

Empire of the Summer Moon: Quanah Parker and the Rise and Fall of the Comanches, the Most Powerful Indian Tribe in American History

An Analysis of Tarot Cards

Blood and Thunder: An Epic of the American West

The Fraternity of the Rose Cross

Indigenous Continent: The Epic Contest for North America

Freemasonic Symbolism

Native Nations: A Millennium in North America

The Theory and Practice of Alchemy

Killing Crazy Horse: The Merciless Indian Wars in America

Flowers, Plants, Fruits, and Trees

The Inconvenient Indian: A Curious Account of Native People in North America

The Qabbalah, The Secret Doctrine of Israel

The Heart of Everything That Is: The Untold Story of Red Cloud, An American Legend