A renowned doctor’s quest to find the source of—and a cure for—his daughter’s sudden illness leads him into the heart of a lethal mystery in this “brilliant” (Associated Press) novel from the #1 bestselling “master of the medical thriller” (The New York Times). “A passionate, riveting, chilling drama.”—Cosmopolitan Dr. Charles Martel, a brilliant cancer researcher, was forced to stand helplessly by as his first wife died slowly, agonizingly of cancer. Now he and his second wife, Cathryn, receive the shattering news that his eleven-year-old daughter, Michelle, is being attacked by the same disease.   This time Charles is going to do something. Even if the cause is a chemical plant conspiracy that not only promises to kill her but will destroy him as a man and doctor if he tries to fight it.