Answer
The answer is Dirk Cussler. Dirk is Clive Cussler's son and a co-author of several books. They have collaborated on works such as "The Jungle", "Spartan Gold", "Black Wind", among others. Their partnership brings together Clive's extensive experience in the adventure genre and Dirk's own writing skills, resulting in thrilling and captivating stories that have captivated readers worldwide.