Tess Gerritsen

The Sinner is a 2003 mystery novel by Tess Gerritsen, the third book of the Maura Isles/Jane Rizzoli series.

The first body is a mystery.She’s young. She’s beautiful. And her corpse, laid out in the office of Boston medical examiner Kat Novak, betrays no secrets—except for a matchbook clutched in one stiff hand, seven numbers scrawled inside.The next body is a warning.When a second victim is discovered, Kat begins to fear …