Crimson Joy (A Spenser Mystery)

Private detective Spenser is on the case of a serial killer with an unusual calling card - he leaves a red rose on the body of each of his victims. And when the madman targets Spenser's girlfriend Susan Silverman, his resolve is strengthened and he determines to find the murderer - no matter what the risk. 'One of the great series in the history of the American detective story' New York Times