Clive Cussler is the author or coauthor of more than fifty previous books in five bestselling series, including Dirk Pitt®, NUMA® Files, Oregon Files, Isaac Bell, and Fargo. His nonfiction works includeBuilt for Adventure: The Classic Automobiles of Clive Cussler and Dirk Pitt, plus The Sea Hunters andThe 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 ship Hunley. He lives in Colorado and Arizona.
Paul Kemprecos has coauthored all six previous NUMA® Files with Cussler and is a Shamus Award–winning author of six underwater detective thrillers. A certified scuba diver and a former newspaper reporter, he lives in Massachusetts.