From the author of the New York Times bestseller All the Missing Girls?the gripping story of a journalist who sets out to find her missing friend, a friend who may never have existed at all. "Think: Luckiest Girl Alive, The Girl on the Train, Gone Girl" (TheSkimm). When Leah Stevens' career implodes, a chance meeting with her old friend Emmy Grey offers her the perfect opportunity to start over. Emmy, just out of a bad relationship, convinces Leah to come live with her in rural Pennsylvania, where there are teaching positions available and no one knows Leah's past. Or Emmy's. When the town sees a spate of vicious crimes and Emmy Grey disappears, Leah begins to realize how very little she knows about her friend and roommate. Unable to find friends, family, a paper trail or a digital footprint, the police question whether Emmy Grey existed at all. And mark Leah as a prime suspect. Fighting the doubts of the police and her