Question: Who has authored mroe books, Stephen King or Clive Cussler?
Context: Dirk Pitt is a fictional character, the protagonist of a series of bestselling adventure/Thriller novels written by Clive Cussler.  Dirk is an adventurer who seizes the opportunity to save the day.  Through action-filled story lines, Pitt is portrayed as a man who is in love with the sea and does not fear pushing the envelope.  The character is an avid collector of cars, a characteristic shared with his creator, Clive Cussler. Clive Eric Cussler (born July 15, 1931) is an American adventure novelist and underwater explorer.  His thriller novels, many featuring the character Dirk Pitt, have reached "The New York Times" fiction best-seller list more than 20 times.  Cussler is the founder and chairman of the real-life National Underwater and Marine Agency (NUMA), which has discovered more than 60 shipwreck sites and numerous other notable underwater wrecks.  He is the sole author or lead author of more than 70 books. Craig Dirgo is an American author of techno thrillers and adventure novels, as well as non-fiction.  He started off co-authoring with Clive Cussler on his non-fiction work.  He soon moved to his own novels starring his character, John Taft, an agent of a fictitious US spy agency, the National Intelligence Agency.  He co-authored with Cussler the first two ""Oregon Files"" novels. Devil's Gate is an adventure novel in author Clive Cussler's The NUMA Files.  Co-written with Graham Brown, this installment is the ninth of that series which features the main character Kurt Austin.  The story follows employees of NUMA (National Underwater and Marine Agency) who discover someone is developing a directed-energy weapon and thwart the dictator of Sierre Leone, Djemma Garand, and the mercenary group led by Andras the Knife before they are able to use the weapon.  The hardcover edition was released November 14, 2011, it was subsequently released as a paperback, audiobook and ebook.  It appeared on several best-seller lists and was describe by reviewers as being suitable for fans of Cussler and action-adventure stories. Black Wind is an adventure novel by Clive Cussler and Dirk Cussler.  This book centers on a relatively new character to the book series, Dirk Pitt, Jr. Shock Wave is a book written by Clive Cussler.  First published in 1996, it is the thirteenth book in Cussler's Dirk Pitt series.  The events in the book take place between January and March 2000. Treasure of Khan is an adventure novel by Clive Cussler and Dirk Cussler, and is the nineteenth to feature Cussler's most famous protagonist, Dirk Pitt. Albert Cassius Giordino is a fictional character in a series of adventure novels by Clive Cussler; he first appears in "The Mediterranean Caper" (published in 1973).  He is described as being of Italian ancestry, 5'4" in height, 175 lb, with dark curly hair, swarthy skin, dark Etruscan eyes, and a Roman nose.  He does not have an ounce of fat on his body and is stocky and strong.  Cussler often describes him as the 'burly Italian'.  One noticeable disfigurement on Giordino is the missing pinky finger on his right hand.  This was lost during the book "Pacific Vortex! ", when Giordino jammed his finger into the barrel of a gun held by Delphi Moran. Stephen Edwin King (born September 21, 1947) is an American author of horror, supernatural fiction, suspense, science fiction, and fantasy.  His books have sold more than 350 million copies, many of which have been adapted into feature films, miniseries, television series, and comic books.  King has published 54 novels, including seven under the pen name Richard Bachman, and six non-fiction books.  He has written nearly 200 short stories, most of which have been collected in book collections.  Many of his stories are set in his home state of Maine.  His novella "Rita Hayworth and Shawshank Redemption" was the basis for the film "The Shawshank Redemption" which is widely regarded as one of the greatest films of all time. The National Underwater and Marine Agency (NUMA) is a private non-profit organization in the United States.  Originally it was a fictional US government organization in the novels of author Clive Cussler.  Cussler later created and now leads the actual organization which is dedicated to "preserving our maritime heritage through the discovery, archaeological survey and conservation of shipwreck artifacts.”  Additionally "NUMA does not actively seek private funding.  Most of the financial support for the projects comes from the royalties from Clive Cussler’s books."
Answer: Clive Eric Cussler