As the Vietnam War winds down, the USS Tutanga repairs river boats on the Saigon River. Connor Simmons arrives on board to find House, a battle-scarred sailor who works the black market and has a soft spot for the Vietnamese kids in the nearby village of Nha Be. When Connor goes to work on an antiquated light ship, he learns that it may be central to House's plan to save those he cares about most. Throwing Grenades at Gilligan's Island is a one-hundred-thousand-word historical novel that explores love, loyalty, and the absurdity of war.