Clive Cussler is the author or coauthor of fifty previous books, including twenty-one Dirk Pitt® adventures, eight NUMA® Files adventures; eight Oregon Files books; five Isaac Bell thrillers; and three Fargo novels. His most recent New York Times bestsellers are Crescent Dawn, The Jungle, The Kingdom, and The Race. His nonfiction works include Built for Adventure: The Classic Automobiles of Clive Cussler and Dirk Pitt®, plus The Sea Hunters and The Sea Hunters II; these describe the true adventures of the real NUMA, which, led by Cussler, searches for lost ships of historic significance. With his crew of volunteers, Cussler has discovered more than sixty ships, including the long-lost Confederate submarine Hunley. He lives in Arizona.
Graham Brown is the author of Black Rain and Black Sun. A pilot and an attorney, he lives in Arizona.