How will I know you?

the long version

"A page-turner about the murder of a teenage girl, from the author of Lacy Eye ... On a cold December day in northern upstate New York, the body of high school senior Joy Enright is discovered in the woods at the edge of a pond. She had been presumed drowned, but an autopsy shows that she was, in fact, strangled. As the investigation unfolds, four characters tell the story from widely divergent perspectives: Susanne, Joy's mother and a professor at the local art college; Martin, a black graduate student suspected of the murder; Harper, Joy's best friend and a potential eyewitness; and Tom, a rescue diver and son-in-law of the town's police chief. As a web of small-town secrets comes to light, a dramatic conclusion reveals the truth about Joy's death"--