NUMA director Dirk Pitt searches for the connections among newly discovered Roman artifacts, the rise of a fundamentalist movement, and the existence of a mysterious long-lost "manifest, " which, if discovered again, may change the history of the world.

In the final days of World War II, the Japanese launch two submarines carrying a new strain of a deadly virus to the west coast of the United States, but years after the subs are lost at sea, someone plots to use their deadly cargo.

Describes the life and work of the talented inventor and resourceful businessman, with special emphasis on his development of the steamboat.

Discusses the life and work of the inventor who developed the steamboat and made it a commercial success.

During the Civil War, Union forces blockade the port of Charleston so the Confederate army seeks a way to attack the Yankee ships. George Dixon is part of the group of men given the task of creating and building the "fish boat, " a submarine. The H.L. Hunley does ultimately set out on its mission to sink Yankee ships, but fails to return, its whereabouts unknown. For over 100 years, the mystery of the Hunley and the fate of its crew stayed buried....