Wizard Harry Dresden must investigate his own flesh and blood when a series of killings strike Chicago's magic practitioners in this novel in the #1 New York Times bestselling series. Someone is targeting the members of the city's supernatural underclass-those who don't possess enough power to become full-fledged wizards. Some have vanished. Others appear to be victims of suicide. But now the culprit has left a calling card at one of the crime scenes-a message for Harry Dresden. Harry sets out