Tell me what really happened

"It was all her idea. They would get away from their parents and spend the weekend camping. Down by Salvation Creek, the five of them would make smores, steal kisses, share secrets. But sometime around midnight, she vanished. Now the four friends who came back are under suspicion; and they each have a very different story to tell about what happened in the woods. . . . Told entirely through first-person police interviews, this . . . mystery asks: what really happened that night?"--OCLC.