One River: Explorations And Discoveries In The Amazon Rain Forest

The Wayfinders: Why Ancient Wisdom Matters in the Modern World (CBC Massey Lecture)

Light at the Edge of the World: A Journey Through the Realm of Vanishing Cultures

Plants of the Gods: Their Sacred, Healing, and Hallucinogenic Powers

The Serpent and the Rainbow: A Harvard Scientist's Astonishing Journey into the Secret Societies of Haitian Voodoo, Zombis, and Magic

The Unconquered: In Search of the Amazon's Last Uncontacted Tribes