When Doc Ford's friend--the simplest and sweetest resident of Sanibel Island--is framed for murder, Doc heads to Florida's dark side to save him and the island from a rising tide of land-grab schemes, blood money, and violence.

"Appearing out of nowhere to horrify the quiet resort town of Sanibel Island, Florida, dozens of identical, ordinary-looking shoes float in on the tide and are washed up on the tropical beach--each one with a crudely severed human foot inside. A GHASTLY ENIGMA WITH NO APPARENT SOLUTION. Called away from vacation elsewhere in the state, Agent Pendergast reluctantly agrees to visit the crime scene--and, despite himself, is quickly drawn in by the incomprehensible...

After a summer of tagging sharks off the west coast of Florida, Sabina, Maribel, and Luke have a new assignment: searching for "survivor trees" that are resistant to the disease that is destroying the state's citrus trees; the search takes them to the remote mangrove islands of Sanibel Island, where they discover Spanish oranges, a grave, an immense saltwater crocodile, a reclusive woman who believes that the ghost of a dead king, beheaded by Spanish...

"The Professional Tarpon Rodeo is back on Sanibel Island, offering any celebrity contestant who lands a rare piebald tarpon a one-million-dollar prize. But marine biologist Doc Ford is certain that people are cheating to win. When an angler team illegally catches a tarpon to feed it to sharks for attention, Doc enlists the kids of Sharks Inc.--Luke, Maribel, and Sabina--to uncover their scheme. Would introverted Luke rather be trapped between a hammerhead...