CLIVE CUSSLER is the author or coauthor of more than fifty previous books in five bestselling series, including Dirk PittR, NUMAR Files, OregonR Files, Isaac Bell, and Fargo. His most recent New York Times bestselling novels are The Bootlegger, The Mayan Secrets, and Zero Hour. 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; the latter two describe the true adventures of the real NUMAR, 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 Colorado.
GRAHAM BROWN is the author of Black Rain and The Eden Prophecy. A pilot and an attorney, he lives in Arizona.