By the Light: A Novel of Serial Homicide is a fabric of suspense highlighted with threads of romance. It is a tale of a man and woman drawn into the pursuit of a serial killer that leaves two nude bodies at the foot of the Biloxi Lighthouse. The man is a profiler who returned to the Mississippi Gulf Coast to care for his Alzheimer’s-stricken father. The woman is an Atlanta crime reporter and Edgar-winning author whose curiosity is piqued when she spots a wire report of the double homicide in her hometown. Travis Ford and Shay O'Connor have a past. As they discover from the corpses of couple after couple at lighthouse after lighthouse, so does a murderer that eliminates practitioners of infidelity and by signature comes to be known as Rose.