Fifteen years after a young girl unearths an ancient gold medallion and then mysteriously dies, Doc Ford investigates strange occurrences at the girl's home and concludes that a dangerous person is determined to find the medallion.

"A fishing guide and part-time investigator, Hannah Smith is a tall, strong Florida woman descended from many generations of the same. But the problem before her now is much older even than that. Five hundred years ago, Spanish conquistadors planted the first orange seeds in Florida, but now the whole industry is in trouble. The trees are dying at the root, weakened by infestation and genetic manipulation, and the only solution might be somehow, somewhere,...

Thirty minutes into what should have been an easy, beginner-level dive in a remote Florida lake, the rim of a cave collapses, trapping two of Doc Ford's friends. Ford himself manages to escape and quickly surfaces to find help-but that's when his troubles only begin.

Hannah Smith, a tall, strong, formidable Florida woman, the descendant of generations of strong Florida women. She makes her living as a fishing guide, but her friends, neighbors, and clients also know her as an uncommonly resourceful woman with a keen sense of justice, someone who can't be bullied, and they have taken to coming to her with their problems. Her methods can be unorthodox, though, and those on the receiving end of them often wind up...

When a Guatemalan teen--believed to have mystical powers and who lives in a Florida trailer park targeted by powerful developers--witnesses their hired gun committing a murder, her only hope for survival falls in the hands of Doc Ford and Tomlinson, who undertake a search through the underground in the hopes of finding her first.

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.

Standing outside New York City's Explorers Club, Ford anxiously awaits his newest acquaintance, an attractive U.S. senator. Upon her arrival, she is the victim of a kidnapping attempt. The plot is foiled, but a young man in her company is taken instead. Ford must then race against time to rescue him and save him from a most horrifying demise.

Marine Biologist Doc Ford is hot on the trail of a dead friend's wife. Apparently, the woman vanished into the steaming jungles of South America guided by a truly disgusting specimen of humanity. From Florida to Columbia and Panama, Doc traces their path, but a shadowy figure is following him-and the violence left in the wake of this individual is terrifying.

In the aftermath of a massive hurricane off the coast of Florida, an elderly woman seeks Doc Ford's assistance in combing the reshaped ocean bottom for evidence that would exonerate a loved one for alleged activities during World War II.