Escape - James Patterson, David Ellis

In this companion to #1 New York Times bestseller The Black Book, Detective Billy Harney chases down a prison escape artist and billionaire crime boss—while a young girl’s life hangs in the balance. As Chicago PD’s special-ops leader, Detective Billy Harney knows well that money is not the only valuable currency. The filthy rich man he’s investigating is down to his last twenty million. He’s also being held in jail.