Love Lies in Blood

A double murder has been committed at a respectable private boys' school: someone shot young teacher Somers and his protégé Lava. The police are puzzled, especially when it turns out that the next day, an elderly widow, Mrs. Bly, was murdered in a neighboring village. Professor Fen, who is assisting the police with the investigation, suspects that all three murders are closely related; moreover, the reasons for what happened should be sought in old papers that Mrs. Bly found in her home during renovations…