An African terrorist group acquires two canisters containing a virulent organism and threatens to attack Washington, D.C.

A desperate attempt in 1917 to preserve the wealth and power of the Romanov Empire. A Cold War bomber lost with a deadly cargo. Mysterious deaths on the Black Sea linked to modern day smugglers of nuclear materials. At the center of it all is Dirk Pitt and his team from NUMA. As the danger escalates, there's only one man who can avert catastrophe. From London to Washington, from the Black Sea to the Mediterranean, the action never stops, as Pitt races...

"While investigating a toxic outbreak in the Caribbean Sea that may ultimately threaten the United States, 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, chasing an Aztec stone that may reveal the whereabouts of a vast historical Aztec treasure. The problem is, that...

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 find it before...

Agent Dirk Pitt of the U.S. National Underwater and Marine Agency battles genetically engineered neo-Nazis, seeking to establish a Fourth Reich once they wipe out humanity. They plan to unleash a flood by splitting the Antarctic ice shelf. A beautiful archeologist is on hand to help the hero.

Underwater adventurer Dirk Pitt and the NUMA crew investigate a black tide infesting the ocean off Nicaragua, a study complicated by the discovery of a mysterious artifact, a powerful storm, and a conspiracy.