The Darkest Hour is the fourth book in the thrilling, romantic Mediator series, from the New York Times bestselling author of the Princess Diaries, Meg Cabot. When the nineteenth-century ghost of Maria de Silva wakes her up in the middle of the night, Suze knows this is no ordinary visitation--and not just from the knife at her throat, either. In life, Maria was the fiancée of Jesse--the same Jesse who was murdered 150 years before. The same Jesse...