Chemistry of Death :

Three years ago, David Hunter moved to rural Norfolk to escape his life in London, his gritty work in forensics, and a tragedy that nearly destroyed him. Working as a simple country doctor, seeing his lost wife and daughter only in his dreams, David struggles to remain uninvolved when the corpse of a woman is found in the woods, a macabre sign from her killer decorating her body. In one horrifying instant, the quiet summer countryside that had been David's refuge has turned malevolent--and suddenly there is no place to hide.The village of Manham is tight-knit, far from the beaten path. As a newcomer, Dr. Hunter is immediately a suspect. Once an expert in analyzing human remains, he reluctantly joins the police investigation--and when another woman disappears, it soon becomes personal. Because this time she is someone David knows, someone who has managed to penetrate the icy barrier around his heart. With a killer's bizarre and twisted methods screaming out to him, with a brooding countryside beset with suspicion, David can feel the darkness gathering around him. For as the clock ticks down on a young woman's life, David must follow a macabre trail of clues--all the way to its final, horrifying conclusion.From the Hardcover edition.