There are so many times in this novel when it seems that Harry will not be able to solve this case from the past because of pressure from the LAPD, the FBI, former colleagues, and just about any other powers that operate in Los Angeles. Harry is retired in this one, and it is written in First Person, so we are in Harry's mind throughout. Some of the characters were introduced in earlier novels, as well as some of Harry's former colleagues. All of them add to the excitement and suspense right up to the last three chapters where the case is solved, and Harry goes back to Las Vegas unannounced to see his ex-wife, Eleanor, and get the surprise of his life. The plot twists are everywhere, and Harry has one of the most dangerous fights of his life with the perps in this case. It is one of the best of the Bosch series!