"Over the years, Dirk Pitt has always had a knack for finding trouble. This time, it has found him. The extraordinary new novel from the grand master of adventure and #1 New York Times-bestselling author. Pitt, the director of the National Underwater and Marine Agency, is on the Black Sea, helping to locate a lost Ottoman shipwreck, when he responds to an urgent Mayday - "Under attack!" - from a nearby freighter. But when he and his colleague Al Giordino...