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Imagine your job was to travel the world, then report back on how everyone else should do it. That’s what happened to Daniel Houghton when, fresh out of Western Kentucky University, he took the helm of legendary travel publisher Lonely Planet, then owned by a billionaire who had taken a shine to his work. Suddenly, he was not only jetting off to parts unknown but closing business deals in foreign languages and scrambling to learn 50 different sets of table manners.

For David Goggins, childhood was a nightmare--poverty, prejudice, and physical abuse colored his days and haunted his nights. But through self-discipline, mental toughness, and hard work, Goggins transformed himself from a depressed, overweight young man with no future into a US Armed Forces icon and one of the world's top endurance athletes. The only man in history to complete elite training as a Navy SEAL, Army Ranger, and Air Force tactical air controller, he went on to set records in numerous endurance events.