Clive Cussler (1931–2020) was the author or coauthor of over eighty books in six bestselling series, including Dirk Pitt, The Numa Files, The Oregon Files, An Isaac Bell Adventure, A Sam and Remi Fargo Adventure, and A Kurt Austin Adventure. His nonfiction works include Built for AdventureThe Classic Automobiles of Clive Cussler and Dirk PittBuilt to Thrill: More Classic Automobiles from Clive Cussler and Dirk PittThe 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 discovered more than sixty ships, including the long-lost Civil War submarine Hunley. 
May 7, 1997
Cover of L'or DES Incas

L'or DES Incas

Dec 12, 1994
Cover of The Sea Hunters

The Sea Hunters

Mar 6, 1991
Cover of Tresor

Tresor

Apr 1, 1989
Cover of Treasure T

Treasure T