sentences:  "Lost Light" is the first novel set after Bosch retires from the LAPD at the end of the prior story.Having received his private investigator's license, Bosch investigates an old case concerning the murder of a production assistant on the set of a film.The case leads him back into contact with his ex-wife Eleanor Wish, who is now a professional poker player in Las Vegas, and Bosch learns at the end that he and Eleanor have a young daughter.