Hairless Joe. Aiden and Meg Falconer have known him as a threat. A killer. A madman. But now they've discovered that he holds the key to freeing their parents from prison.
The Falconer kids know what they have to do: Hunt the hunter and trap the killer--even if he's armed and very dangerous. It's their only chance, and they're going to take it ... and risk everything.
... 'Till the bald killer sings.
(From the Mystery Stories shelf.)