Twelve by Jennifer Lynn BarnesCassie 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