The Stars Never Rise Stars Never Rise Series, Book 1.

From RACHEL VINCENT, New York Times bestselling author, comes the first book in a new series about a girl who must join forces with rogue exorcists to save her sister and, ultimately, humanity. Sixteen-year-old Nina Kane should be worrying about her immortal soul, but she's too busy trying to actually survive. Her town's population has been decimated by soul-consuming demons, and souls are in short supply. Watching over her younger sister, Mel...