Black book (James Patterson)

Being a cop runs in Billy Harney's family. The son of Chicago's Chief of Detectives whose twin sister, Patty, also followed in their father's footsteps, there's nothing Billy won't give up for the job, including his life. Left for dead alongside his former partner and a district attorney, Billy miraculously survives. But he remembers nothing about the events leading up to the shootout. The investigation leads to an unexpected address -- an exclusive...

"New York Times bestselling detective Billy Harney of The Black Book is chasing down a billionaire crime boss and a prison escape artist 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. For now. Billy's unit is called in when an escape...