Ben Rush

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.

It is AD 60. The hard-won province of Britannia is a thorn in the side of the Roman Empire, its tribes swift to anger and relentless in their bloody harassment of the Roman military. Far from being a peaceful northern enclave, Britannia is a seething mass of bitter rebels and unlikely alliances against the common enemy. Corruption amongst greedy officials diverts resources from the locals who need them. For the military, it's a never-ending fight to maintain a fragile peace.