In the vicinity of Boston, corpses are found burned beyond recognition, and the police realize that another serial maniac is operating on the streets. Under growing media pressure, the mayor's office has no choice but to turn to the controversial, but still the most brilliant homicide detective - Avery Black. Avery, trying to sort out her life, understand her nascent relationship with Ramirez and while trying to get along with Rose, she suddenly realizes that she is facing the most neglected case of her career. With virtually no clues, she has to figure out how the mind of a psychopathic killer works, why he is so obsessed with fire, and also has to find the key to his head. Her trail leads her deep into Boston's poorest neighborhoods, pitting her against unruly residents, and she ends up in a situation she never imagined. In this psychological game of cat and mouse and a frantic race against time, Avery plunges headlong into a killer's world, discovering dark places she never wanted to go. An intriguing psychological thriller, MOTIVE FOR A DISAPPEARANCE is book #3 in the gripping Avery Black Mystery series, featuring a beloved character that will keep you turning the pages well into the night .