THE GOOD GIRLS is the unbelievable finish to #1 New York Times bestselling author Sara Shepard's twisted series THE PERFECTIONISTS. High school students Mackenzie, Ava, Julie, Parker, and Caitlin are under investigation for murder-a murder they didn't commit. As the people keep falling one by one, the girls wonder, are they being framed? Or are they about to become the killer's next targets?