The SinnerIt's gory, it's gripping, it's Gerritsen. A Rizzoli & Isles bestseller. Judgement day is coming . . . 'Absolutely riveting you won't be able to put this down' Mo Hayder Two nuns are brutally attacked within the walls of their convent. There seems to be no shred of motive. But during the autopsy, Forensic Pathologist Maura Isles discovers something entirely unexpected. And when a second, heavily mutilated body is found and linked to the case, she and