Description:Mobster or mental case? That's what FBI agents Mike Tozzi and Cuthbert Gibbons have to figure out in Bad Moon, the fifth book in the Gibbons and Tozzi thriller series. Incarcerated in a mental institution, mob boss Sal Immordino plots his comeback with the help of his sister the nun and a serial-killer-in-training. Bodies are piling up. Gibbons and Tozzi have to throw out the rule book to keep Immordino off the throne.