From the New York Times bestselling author of Moonbreaker comes the epic final Secret Histories adventure, where the Droods will take on the most unexpected of enemies: the inhabitants of the Nightside. The Droods are all about control, making people do what they're told for the greater good. The Nightside is all about choice: good and bad and everything in between. The Droods want to make the world behave. The Nightside wants to party. They were...