In May 1940, as the German army blitzes Europe and Parisians flee their city, the chief curator of the Musée de l’Armée is ordered to get a mysterious piece of cargo out of the country. When he arrives at the port of Le Havre and learns that his intended ship has been sunk, he places the object on a decrepit steamer that sails out under German fire. In the present day, National Underwater and Marine Agency Director Dirk Pitt is on a diving expedition in the English Channel when he discovers a cache of uncut diamonds on a shipwreck. When the diamonds are stolen, Pitt and the NUMA agency find themselves up against a murderous cabal that soon reveals far more destructive plans than mere theft. Vital water treatment facilities around the globe are being targeted --- placing the world’s population in grave peril.

When NUMA director Dirk Pitt discovers a forgotten plane crash in the Philippine Sea, he unearths clues pointing to an invaluable Buddhist artifact that has been lost for decades. But soon he will learn that he’s not the only one making earth-shattering discoveries. During a mission to recover a failed hypersonic missile from Luzon Strait, Pitt finds himself racing against a rogue Chinese military team that has hijacked a ship strong enough to stir the ocean into a veritable Devil’s Sea. From the cold depths of the Pacific to the dizzying heights of the Himalayas, only Pitt and his children can unravel the mysteries that will preserve a religion, save a nation…and save the world from war.

The murders of a team of United Nations scientists in El Salvador. A deadly collision in the waterways off the city of Detroit. An attack by tomb raiders on an archaeological site along the banks of the Nile. Is there a link between these violent events? The answer may lie in the tale of an Egyptian princess forced to flee the armies of her father 3,000 years ago. During what was supposed to be a routine investigation in South America, NUMA Director Dirk Pitt finds himself embroiled in an international mystery, one that will lead him across the world and will threaten everyone and everything he knows --- most importantly, his own family.

Dirk Pitt, the director of the National Underwater and Marine Agency, is on the Black Sea, helping to locate a lost Ottoman shipwreck, when he responds to an urgent Mayday from a nearby freighter. But when he and his colleague Al Giordino arrive, there is nobody there --- just dead bodies and a smell of sulfur in the air. The more the two of them search for the secret of the death ship, the deeper they descend into an extraordinary series of discoveries. Meanwhile, Pitt’s two children, marine engineer Dirk and oceanographer Summer, are exploring a mysterious shipwreck of their own, when they are catapulted into his orbit. The three of them are used to perilous situations --- but this time, they may have found their match.

While investigating a toxic outbreak in the Caribbean Sea that may ultimately threaten the United States, Dick Pitt unwittingly becomes involved in something even more dangerous --- a post-Castro power struggle for the control of Cuba. Meanwhile, Pitt’s children, marine engineer Dirk and oceanographer Summer, are on an investigation of their own, which brings them both to Cuba as well --- and squarely into harm’s way.

It’s the greatest advance in American defense technology in decades --- an attack submarine capable of incredible underwater speeds. However, a key element of the prototype is missing, and the man who developed it is dead. At the same time, ships have started vanishing mid-ocean, usually never to be found again, but when they are, sometimes burned bodies are found aboard. It is up to NUMA director Dirk Pitt and his team to go on a desperate international chase to find the truth.

In the fourth Dirk Pitt novel from Cussler and son Dirk, evildoers Ozden Aktan Celik and his sister, Maria, who are bent on Muslim domination of the Middle East, plot to blow up sacred Muslim sites and pin the blame on the West.