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.

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.

"In 1959 Tibet, a Buddhist artifact of immense importance was seemingly lost to history in the turmoil of the Communist takeover. But when National Underwater and Marine Agency Director Dirk Pitt discovers a forgotten plane crash in the Philippine Sea more than sixty years later, new clues emerge to its hidden existence. But Pitt and his compatriot Al Giordino have larger worries when they are ordered to recover a failed hypersonic missile from the...

"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...

"When her parents, the great marine scientists Dr. and Dr. Quail, are killed in a tragic accident, eleven-year-old Fidelia Quail is racked by grief - and guilt. It was a submarine of Fidelia's invention that her parents were in when they died, and it was she who pressed them to stay out longer when the raging Undertow was looming. But Fidelia is forced out of her mourning when she's kidnapped by Merrick the Monstrous, a pirate whose list of treasons...

The Florida sleuth, Doc Ford, receives a call from the daughter of a dead CIA colleague, saying her mother is missing and asking for help. The search for the mother takes Ford to the Canal Zone in Panama where he encounters a deadly con man.

While trying to fit in with her own kind, Fred, a mermaid who hates being out in open water, is torn between Artur, the High Prince of the merpeople, and Thomas, a gorgeous marine biologist who has the opportunity to explore where no "lander" has gone before.

"From grief to reckoning to reflection to solace, a marine biologist shares the solo journey she took--through war-ravaged Eastern Europe, Israel, and beyond--to find peace after her fiancé suffered a fatal attack by a box jellyfish in Thailand."--Amazon.com

James More, held captive by jihadists, and Danielle Flinders, diving in a submersible to the ocean floor, each remember the love they shared and the Christmas they spent together the year before.

"Leah is changed. Months earlier, she left for a routine expedition, only this time her submarine sank to the sea floor. When she finally surfaces and returns home, her wife Miri knows that something is wrong. Barely eating and lost in her thoughts, Leah rotates between rooms in their apartment, running the taps morning and night. As Miri searches for answers, desperate to understand what happened below the water, she must face the possibility that...