New York Times best-selling author revisits the universe of his half-million selling Circle Trilogy.

Deep in the mountains of Romania lies a fortress, and deep within that fortress a chamber. And in that chamber, ruling the dead for over two thousand years, lives one Shataiki bat, straight from the bowels of the Black Forest. If he has his way, no child will be safe by morning. But there are four who stand in the way. This is the end, a gripping finale to the search for the seven Books of History.