[Scribner] * Winner of the 2024 National Outdoor Book Award in Outdoor Literature * Winner of the 2025 Andrew Carnegie Medal for Excellence in Nonfiction * Named a Best Book of the Year by The New York Times, Air Mail, Smithsonian Magazine, and Financial Times “A triumph. Fedarko doesn’t describe awe; he induces it.” —The New York Times Book Review * “Passionate…memorable…life-affirming.” —The Wall Street Journal This New York Times bestseller from the author of The Emerald Mile is a rollicking and poignant account of an epic 750-mile odyssey, on foot, through the heart of the Grand Canyon. Two friends, zero preparation, one dream. A few years after quitting his job to pursue an ill-advised dream of becoming a whitewater guide on the Colorado River, Kevin Fedarko was approached by his best friend, National Geographic photographer Pete McBride, with a vision as bold as it was harebrained. Together, they would embark on an end-to-end traverse of the Grand Canyon—a journey t