When Darkness Comes — James H. Rhodes

Leslie Pennington loved working as a live-in typist for Lavinia Anderson, who was writing a fascinating novel. But from the first, Leslie felt strangely unwelcome at Lavinia's house. Eyes often seemed to be spying on her, a tension poisoned the air, and a secret enemy kept playing nasty tricks on the typist. But why would anyone want to harass her? Was it one of the servants who felt displaced by Leslie? Was it Cory, Lavinia's handsome, mysterious older son? Could it be Willard, Lavinia's younger son, who had once dated Leslie? And was her adversary just trying to annoy her -- or really destroy her?