The shocking thing about Rex Fortescue's murder was that the contemptible tycoon wasn't knocked off sooner. But when two less deserving souls fall victim to the killer, Miss Jane Marple is engaged to detect. The only link appears to be buried in a not-so-innocent verse. So what's the rhyme and reason behind the playful hint? The answer draws the shrewd sleuth into the heart of a family secret--and an increasingly menacing game that's anything but child's play.