Cian Shea and Irene Lovell have battled sorcerers, snakes, lizard-men, and lost gods. Until now, they have managed to avert disaster for St. Louis and for the rest of the world. When they come face to face with prophecy, though, they face a threat beyond anything they have seen before. Especially this prophecy, for it speaks of a child: the unborn child that Irene carries.Now, with Harry, Sam, Pearl, and Freddy, they must do their best to save Irene and her child, but they find themselves facing more than supernatural threats. Anarchists, corrupt police, and old enemies: everyone has a stake in the River Throne, and time is running out.