In the final pages of Valhalla Rising, Dirk Pitt® discovered, to his shock, that he had two grown children he had never known-twenty-three-year-old fraternal twins born to a woman he thought had died in an underwater earthquake. Both have inherited his love of the sea: the girl, Summer, is a marine biologist; the boy, himself named Dirk, is a marine engineer. And now they are about to help their father in the adventure of a lifetime.

     There is a brown tide infesting the ocean off the shore of Nicaragua. The twins are working in a NUMA® underwater enclosure, trying to determine its origin, when two startling things happen: Summer discovers an artifact, something strange and beautiful and ancient; and the worst storm in years boils up out of the sky, heading straight not only for them but also for a luxurious floating resort hotel square in its path.

     The peril for everybody concerned is incalculable, and, desperately, Pitt, Al Giordino, and the rest of the NUMA® crew rush to the rescue, but what they find in the storm's wake makes the furies of nature pale in comparison. For there is an all-too-human evil at work in that part of the world, and the brown tide is only a by-product of its plan. Soon, its work will be complete-and the world will be a very different place.

     Though if Summer's discovery is to be believed, the world is already a very different place...

     Filled with breathtaking action and suspense, Trojan Odyssey is Cussler at the height of his storytelling powers.