Blue Gold is the second book in the NUMA Files series of books co-written by author Clive Cussler

Clive Cussler

Clive Eric Cussler is an American adventure novelist and marine archaeologist. His thriller novels, many featuring the character Dirk Pitt, have reached The New York Times fiction best-seller list more than seventeen times...

 and Paul Kemprecos

Paul Kemprecos

Paul Kemprecos is an American writer of mysteries and adventure stories. He is a Shamus Award-winning author of six underwater detective thrillers, and has been co-writing with Clive Cussler the "NUMA Files" novels, which focus on Kurt Austin, head of NUMA's Special Assignments Team and his...

, and was published in 2000. The main character of this series is Kurt Austin. Blue Gold is about attempting to control the world's water at any cost, including mass murder. Kurt Austin and Joe Zavala must stop these events from happening with the help of a scientist who discovered how to purify water and collect free energy from it.