Body Double (Rizzoli & Isles mystery series) by Tess Gerritsen is $1.99 for Kindle today! Great mystery series! Boston medical examiner Dr. Maura Isles is shocked to discover that a murdered woman looks exactly like her. For Maura, an only child, a DNA test confirms the startling fact: the mysterious doppelgänger is in fact her twin sister. Now an already bizarre homicide investigation becomes a disturbing excursion into a past full of dark secrets and twisted truths. It is a journey that leads Maura to the mother she never knew—an icy and cunning woman who gave Maura life . . . and who just might have a plan to take it away.