Clive Cussler┬аis the author or coauthor of more than fifty previous books in five bestselling series, including Dirk Pitt┬о, NUMA┬о Files,┬аOregon┬аFiles, Isaac Bell, and Fargo. His nonfiction works includeBuilt for Adventure:┬аThe Classic Automobiles of Clive Cussler and Dirk Pitt, plus┬аThe Sea Hunters┬аandThe 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┬аHunley.┬аHe lives in Colorado and Arizona.┬а
Paul Kemprecos┬аhas coauthored all six previous NUMA┬о Files with Cussler and is a Shamus AwardтАУwinning author of six underwater detective thrillers. A certified scuba diver and a former newspaper reporter, he lives in Massachusetts.