AN INSTANT NEW YORK TIMES BESTSELLER The #1 New York Times bestselling author of Then She Was Gone returns with an "edge-of-your-seat thriller" (USA TODAY) about a young woman's disappearance and a group of strangers whose lives intersect in its wake. Young Saffyre Maddox spent three years under the care of renowned child psychologist Roan Fours. When Dr. Fours decides their sessions should end,...