New York: Simon & Schuster, 1996. dj. Hardcover first edition - The first nonfiction book by the author of the Dirk Pitt series. An account of the discovery of 12 shipwrecks by Cussler and his NUMA volunteers (National Underwater and Marine Agency foundation.), including the Union frigate 'Cumberland' sunk during the Civil War, the World War I American troop transport, the 'Leopoldville' and others. Photographs.List of shipwrecks surveyed, index. 364 pp. ISBN: 0-684-830272.