The toymaker

What good is a toy that will wind down? What if you could give a toy a heart? A real heart. One that beat and beat and didn't stop. What couldn't you do if you could make a toy like that? From the moment that the circus boy, Mathias, takes a small roll of paper from the dying conjuror, his fate is sealed. For on it is the key to a terrifying secret, and there are those who would kill him rather than have it told.