Marker

With his signature blend of suspense and science, Robin Cook delivers an electrifying page-turner that delves into the murky ethics of developing genomic medicine and modern-day health care...   As her relationship with Dr. Jack Stapleton begins to unravel, Dr. Laurie Montgomery starts investigating the inexplicable deaths of young, healthy people after successful routine surgery. She discovers that the deaths might be intentional—the work of a remarkably clever serial killer with a shockin