Every Fifteen Minutes — Lisa Scottoline

Enter the sociopath's mind: "I plan everything, I set everyone in motion, and when the moment comes, I strike. I always win in the end. They never see me coming. Know why? Because I am already there."

Dr. Eric Parrish, a brilliant and caring psychiatrist who is chief of the Psychiatric Unit at Havemeyer General Hospital, has been unknowingly targeted by a sociopath. Eric already has his hands full: He has recently separated from his wife and is trying his best to be a single dad to his seven-year-old daughter, Hannah. Plus, his practice faces a new challenge in the form of a troubled teenaged boy who harbors an obsessive crush on a girl.

Because of secrets that the boy divulges in his therapy sessions, Eric grows concerned for the girl's safety and finds himself embroiled in the dilemma that every psychiatrist dreads -- the Tarasoff issue; that is, whether to report a potentially dangerous patient to the authorities.

Just as Eric reaches his decision, the unimaginable happens, and the game is on. The clock begins ticking, and the most worthy adversary Eric has ever encountered is about to make sure things go from bad to worse. Eric finds himself plunged into a professional and personal maelstrom at the hands of a sociopath bent on destroying his practice, his family, and his life.

Can Eric match wits with a sociopath? How can he defend himself against an enemy he doesn't know? Can you ever win a game you don't even know you're playing?