2017 - The Sunken Gold a Story of World War I Espionage and the Greatest Treasure Salvage in History (Hardcover) ISBN-13: 9781613737583 ISBN-10: 1613737580 Genres: History, Engineering & Transportation, Politics & Social Sciences ? 2015 - Seventeen Fathoms Deep the Saga of the Submarine S4 Disaster (Hardcover) ISBN-13: 9781613731383 ISBN-10: 1613731388 Genres: History, Engineering & Transportation ? |