72 Hours — E.M. McConnell

72 Hours. Three Days.Rivers Hospital, the place that was once infamous as an asylum opens its doors to Dr Rebecca Carter, a psychologist and writer. She was given three days to gather her final research into the experimental and cruel methods used in the asylum in the 19th century. Patients whisper of people trapped in the walls, and a Shadow Man who haunts the hospital. Rebecca follows the story of a Dr Floyd, an eminent and popular doctor in the asylum, and Jenny, a patient.But the shadows are watching. She has only 72 hours left.