Clive Cussler Obsidian Sky

A forgotten civilization. A lost Biblical artifact. A criminal enterprise lurking beneath the seas. What links them with a potential cataclysmic event that threatens all of humanity? That’s the question facing Dirk Pitt in this latest electrifying novel in the beloved New York Times bestselling series created by the “grand master of adventure” Clive Cussler.

When National Underwater and Marine Agency director Dirk Pitt rescues a team of archaeologists trapped in a cavern by an earthquake, an...