In a remote Florida lake, a cave collapses, trapping Doc Ford and two of his friends. Ford manages to escape and surfaces to find help-but two ex-cons are waiting for him. They're intent on diving to the bottom of the deep lake and finding the remains of a legendary plane, supposedly loaded with gold. Ford's expertise is just what they need. And if he doesn't help, Ford and his friends are dead in the water.

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.

Marine biologist and former secret operative Doc Ford is lazily poling his skiff along Southwest Florida's flat copper sea in search of sea anemones when he runs into the body of the most hated man on Sanibel Island-Marvin Rios. And when the Island's simplest and sweetest resident is arrested for the murder, Doc heads straight into the heart of the sunshine state's dark side-to save his friend from being framed, and to save Sanibel Island from a rising...

Sneaking an underwater look at a notorious Russian black marketeer's fancy yacht, Doc Ford emerges to discover that the marketeer's private island has been taken over by environmental extremists who threaten to kill a hostage every hour until their demands are met.

A potential breakthrough discovery to reverse global warming . . . a series of unexplained sudden deaths in British Columbia . . . a rash of international incidents between the United States and one of its closest allies that threatens to erupt into an actual shooting war . . . NUMA director Dirk Pitt and his children, Dirk. Jr. and Summer, have reason to believe there's a connection here somewhere, but they also know they have very little time to...

A giant shark escapes from a California aquarium creating havoc before heading to sea. As he probes the ocean depths in pursuit, biologist Jonas Taylor stumbles on a terrorist nuclear arms factory.