Marker

The master of the medical thriller returns with his most heart-pounding tale yet. Twenty-eight-year-old Sean McGillin is the picture of health， until he fractures his leg while in-line skating in New York City s Central Park. Within twenty-four hours of his surgery， he dies. A thirty-six-year-old mother， Darlene Morgan， has knee surgery to repair a torn ligament in her knee. And within twenty-four hours， she has died. New York City medical examiners Dr. Laurie Montgomery and Dr. Jack Stapleton are back， in Robin Cook s electrifying twenty-fifth novel. Last seen in Vector， the doctors confront a series of puzzling hospital deaths of young， healthy people after successful routine surgery. Despite institutional resistance from her superiors， as well as from those at Manhattan General， Laurie doggedly pursues the investigation. Though it seems impossible to determine why and how the patients are dying， she comes to suspect that not only are the deaths related-they re intentional， suggesting the work