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

The Lost Explorer: Finding Mallory on Mount Everest

Last Hours on Everest: The gripping story of Mallory and Irvine's fatal ascent

One River: Explorations and Discoveries in the Amazon Rain Forest

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

Buried in the Sky: The Extraordinary Story of the Sherpa Climbers on K2's Deadliest Day

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

The Serpent and the Rainbow

Ghosts of K2: The Race for the Summit of the World's Most Deadly Mountain