From #1 New York Times bestselling author Freida McFadden!<br><br>All she has do is make it through the night shift...<br><br>Ward D is the hospital's mental health unit and as a medical student, Amy is required to gain experience on the floor. But little do her colleagues know it may force her to confront a past she's fought hard to forget.<br><br>The night starts. The countdown begins. <br><br>As the hours tick by, Amy grows increasingly convinced something terrible is happening within the ward's tightly secured walls. When patients and staff start to vanish without a trace, it becomes clear that everyone on the unit is in grave danger. <br><br>Amy never wanted to spend the night on Ward D. Now she might not make it out alive. <br><br>In Ward D, #1 New York Times bestselling author Freida McFadden delivers a taut, locked room thriller that will make you want to leave the light on…