Running with Sherman: The Donkey with the Heart of a Hero

Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen

Natural Born Heroes: How a Daring Band of Misfits Mastered the Lost Secrets of Strength and Endurance

Running with Sherman: The Donkey Who Survived Against All Odds and Raced Like a Champion

Born to Run 2: The Ultimate Training Guide

Born to Run 2: The Ultimate Training Guide