Ford journeys to a region of Central Florida where they confront a cutthroat subculture of black-marketers and a ruthless multibillion-dollar phosphate industry that hides murder victims among its bone remains.

"Many dangers lurk in the deep-the worst of them are human. 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. Two men are waiting for him on the shore, and they are not the kind of men you want to meet at any time. Murderers and ex-cons,...

"Hannah Smith returns in the stunning new adventure in the New York Times-bestselling series by the author of the Doc Ford novels. 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 world’s shark population is in trouble for a sad, simple reason: shark fin soup. And although it’s illegal, poachers have been targeting Florida’s biannual migration of blacktip sharks. Marine biologist Doc Ford needs some assistance protecting the sharks and enlists the help of three kids—Luke, Maribel and Sabina. Luke is brand-new to Florida from the Midwest; sisters Maribel and Sabina have only recently arrived from Cuba—and all...