Twelve

Cassie Hobbes has been working with the FBI since she was a teenager. Now twenty-three years old, she and her fellow Naturals have taken over running the program that taught them everything they know. As a unit, they're responsible for identifying new Naturals—and solving particularly impossible cases. When their latest case brings back a ghost from their past, Cassie and the other Naturals find themselves racing against the clock—and reliving their own childhood traumas.In a small, coastal town in Maine, there has been a rash of teen suicides—or at least, that's what the police believe. Mackenzie McBride, age twelve, thinks differently. Desperate to make herself heard, she stands at the top of a lighthouse, threatening to jump... unless the FBI agents who rescued her from a kidnapper at age six come to hear her out.Enter the Naturals. It doesn't take Cassie long to realize that Mackenzie isn't bluffing: she truly is convinced that the suicides are murder, and she really will jump...