Clive Cussleris the author or coauthor of over fifty previous books in five bestselling series, including Dirk Pitt(r), NUMA(r) Files, Oregon(r)Files, Isaac Bell, and Sam and Remi Fargo. His nonfiction works includeBuilt for Adventure The Classic Automobiles of Clive Cussler and Dirk Pitt, andBuilt to Thrill: More Classic Automobiles from Clive Cussler and Dirk Pitt, plusThe Sea HuntersandThe 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 shipHunley.He lives in Colorado and Arizona. Jack Du Brul is the author of the Philip Mercer series, and the coauthor with Cussler of six Oregon Files novels. He lives in Vermont."