'A truly gripping chiller of a thriller. Sensational ' PETER JAMES'A white-knuckle-ride through a dangerous world full of deadly ambition' ERIN KELLY'A knife-sharp locked room mystery' HARRIET TYCE'An exciting, twisty page-turner that will keep you guessing all the way to the end' C.L. TAYLORREAD THE MOST EXHILARATING THRILLER OF THE YEARThey don't know what I did.