Brian Castner is a nonfiction writer, former Explosive Ordnance Disposal officer, and veteran of the Iraq War. He is the author of "Stampede," "Disappointment River," "All the Ways We Kill and Die" and the war memoir "The Long Walk," which was adapted into an opera and named a New York Times Editor’s Pick and an Amazon Best Book. His journalism and essays have appeared in the New York Times, WIRED, Esquire, The Atlantic, Foreign Policy, and on National Public Radio.