Oceanic explorers Dirk Pitt and Al Giordino find intrigue, adventure, and peril while collecting clues to the mysterious treasure of Xanadu, the famed capital of Kublai Khan’s empire.
When Dirk Pitt is nearly killed rescuing an oil survey team from a freak wave on Russia’s Lake Baikal, it appears a simple act of nature. But when the survey team is abducted and Pitt’s research vessel nearly sunk, it becomes clear this...

Dirk Pitt single handedly fights a brutal conspiracy aimed at forcing the West into final acceptance of Japan's world leadership

"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...

"Over the years, Dirk Pitt has always had a knack for finding trouble. This time, it has found him. The extraordinary new novel from the grand master of adventure and #1 New York Times-bestselling author. Pitt, the director of the National Underwater and Marine Agency, is on the Black Sea, helping to locate a lost Ottoman shipwreck, when he responds to an urgent Mayday - "Under attack!" - from a nearby freighter. But when he and his colleague Al Giordino...