A Darkness More than Night: Harry Bosch Series, Book 7

Terry McCaleb, a retired FBI agent, is asked by the LAPD to help them investigate a series of murders that have them baffled.

They are the kind of killings McCaleb specialized in solving with the FBI, and he is reluctantly drawn from his peaceful new life back into the horror and excitement of tracking down a terrifying homicidal maniac.McCaleb's first reading of the crime scene leads him to look for a methodical killer with a taste for rituals and revenge.

As his quick look accelerates into a full-sprint investigation, the two crimes merge as Bosch is called in to investigate the murder of a starlet.