Racing to uncover the mystery of several light green-shoe-clad severed feet found floating in the Gulf of Mexico, Agent Pendergast is faced with the most inexplicable challenge of his career in this installment of the #1NYTbestselling series.A STARTLING CRIME WITH DOZENS OF VICTIMS.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 puzzle. An early pathology report only adds to the mystery. With an ocean of possibilities confronting the investigation, no one is sure what happened, why, or from where the feet...