Clive Cussler The Corsican Shadow (Dirk Pitt Adventure, Book 27) By Dirk Cussler

In "The Sea Lion," set against the backdrop of World War II and the present day, the story follows the journey of a mysterious object from Paris to the depths of the ocean and the perilous adventures of Dirk Pitt and the National Underwater and Marine Agency (NUMA) as they unravel a dangerous conspiracy.

In 1940, amidst the chaos of the German blitzkrieg, the chief curator of the Musée de l’Armée is tasked with transporting a mysterious cargo out of France. Forced to improvise, he entrusts the object to a dilapidated steamer, setting off a chain of events that spans decades.

In the present day, Dirk Pitt discovers uncut diamonds on a shipwreck in the English Channel, leading him into a deadly confrontation with a ruthless cabal. As Pitt and the NUMA agency race against time, they uncover a plot to target vital water treatment facilities worldwide, posing a catastrophic threat to humanity.

From Paris to the Irish Sea to the Caribbean islands, Pitt and his children, Summer and Dirk Jr., embark on a perilous journey to locate the treasure that holds the key to saving the world from impending disaster. With high-stakes action and globe-spanning intrigue, "The Sea Lion" is a gripping tale of adventure, courage, and determination.