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...

"Just days before an oil executive is scheduled to give a pseudo-scientific report to Congress, aiming to delay crucial action on climate change for decades, he and his wife are found shot to death in their Greenwich, CT home. It's ruled a murder-suicide, but their son refuses to accept this conclusion and hires Geneva Chase, ex-journalist turned detective, to prove otherwise. With the report still due to Congress, the lead scientist of the study...

A down-and-out miner raising a son on his own finds fortune as an oil tycoon when he hears that a western town is full of oil. As the well raises their fortunes, it brings conflict and hardships that money can't touch. Packaged in a cardboard pocket.