Patricia Cornwell's novels about Kay Scarpetta, forensic pathologist and nemesis of arrogant criminals, have long since become one of those series which admirers buy automatically, knowing and liking what they are going to get. For once, Scarpetta is learning, as well as lecturing, as she finds herself involved with a series of deaths by fire, and a killer who has learned to make her job difficult. The series' running villainess, the charming malign Carrie Grethen, once the lover of Scarpetta's niece, has escaped from custody with vengeance on her mind. Cornwell's own troubles of recent years find an echo in Carrie's media offensive--Holmes never had to cope with Moriarty writing to The Times to say that it was all a frame-up...