One River

Magdalena: River of Dreams

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

The Wayfinders: Why Ancient Wisdom Matters in the Modern World

One River: Explorations and Discoveries in the Amazon Rain Forest

The Serpent and the Rainbow

Into The Silence: The Great War, Mallory and the Conquest of Everest

The Lost Amazon: The Pioneering Expeditions of Richard Evans Schultes