Cover detail from the Penguin edition of Celtic Empire
Former United States Air Force pilot, Lt. Col. Dirk Pitt is the hero of a series of bestselling adventure novels written by Clive Dirk Cussler. The ultimate action man, he is always prepared to solve any intractable problem. A deep-sea expert, he's The Special Operations Director of the National Underwater and Marine Agency, NUMA.
Along with best friend, Al Giordino and his crew, they find historically important shipwrecks and take part in dangerous missions to thwart global conspiracies. The hugely successful Dirk Pitt adventure novels now number 25 and counting, with several of the later titles co-written with Dirk Cussler, Clive Cussler's son.