"The Stress of Her Regard" is a novel by Tim Powers that blends elements of fantasy and historical fiction. Set in the 19th century, it follows the story of Philip K. Dick, a young man who becomes entangled with supernatural beings known as vampires. The narrative explores themes of love, obsession, and the consequences of desire. The plot revolves around Laura, a mysterious woman who captivates the protagonist, leading him into a world filled with danger and intrigue. As he navigates this dark realm, he must confront the challenges posed by both the supernatural and his own emotions, ultimately questioning the nature of reality and affection.