Bookseller Shelby Cox has already sleuthed two murders from Bayside Books's home base on Blye Island, one of New York State's famed Thousand Islands. And this time, mayhem knocks right on Shelby's waterside door when she finds a body lodged between the side of her houseboat and the dock, his skull shattered. When the victim's daughter hits town demanding answers, Shelby takes the case, despite Police Chief Tekla Stone's usual reservations.