It starts with the body of a Hollywood producer in the trunk of a Rolls-Royce, shot twice in the head at close range - what looks like "trunk music", a Mafia hit. But the LAPD's organized crime unit is curiously uninterested, and when Harry follows a trail of gambling debts to Las Vegas, the case suddenly becomes more complex - and much more personal.

Harry attacked his commanding officer and is suspended indefinitely, pending a psychiatric evaluation. At first he resists the LAPD shrink, but finally recognizes that something is troubling him and has for a long time. In 1961, when Harry was 12, his mother, a prostitute, was brutally murdered with no one ever accused of the crime.

The Dollmaker was the name of the serial killer who had stalked Los Angeles ruthlessly, leaving grisly calling cards on the faces of his victims. Now, with a single faultless shot, Harry Bosch thinks he has ended the city's nightmare.

Terry McCaleb's enforced quiet lifestyle on the island of Catalina is a far cry from the hectic excitement of his former role as an FBI profiler. However when small-time criminal Edward Gunn is found dead, McCaleb becomes embroiled in a disturbing and complex case leading him to cross the path of Harry Bosch. This infamous detective has always teetered on the brink of darkness in order to get inside the head of the killer. Is it possible he has stepped across that finely drawn line and embraced darkness?

When the bones of a boy are found scattered in the Hollywood Hills, Harry Bosch is drawn into a case that brings up dark memories from his past. Unearthing hidden stories, he finds the child's identity and reconstructs his fractured life, determined that he won't be forgotten. At the same time, a new love affair with a female cop begins to blossom - until a stunningly blown mission leaves him in more trouble than ever before.

The shooting of a Chinese liquor store owner in LA brings Harry Bosch back to the Rodney King riots and the moment a stranger gave a young cop sanctuary. Now the debt must be repaid, and Harry soon discovers the old man's death was no ordinary holdup.

A movie director is charged with murdering an actress during sex, and then staging her death to make it look like a suicide. In a seemingly unrelated case, a loner is murdered, leaving the sheriff's department with no clues. One unsettling revelation after another leaves a retired FBI agent and an L.A. detective thinking they've unmasked a most frightening killer with almost inconceivable calculation.

Harry Bosch is facing the end of the line. He's been put on the DROP - Deferred Retirement Option Plan - and given three years before his retirement is enforced. Seeing the end of the mission coming, he's anxious for cases. He doesn't have to wait long. First a cold case gets a DNA hit for a rape and murder which points the finger at a 29-year-old convicted rapist who was only eight at the time of the murder.

Former FBI agent Rachel Walling is working a dead-end stint in South Dakota when she gets the call she's been dreading for four years. The Poet is back. And he has not forgotten Rachel. He has a special present for her. Harry Bosch is adjusting to life in Las Vegas as a private investigator and as a new father. He gets a call, too, from the widow of a friend who died recently. Previously in his FBI career, the friend worked on the famous case tracking the killer known as The Poet.

Working on the case, LAPD detective Harry Bosch is reminded of the primal police rule he learned long ago: Don't look for the facts, but the glue that holds them together. Soon Harry's making some very dangerous connections, starting with a dead cop and leading to a bloody string of murders that wind from Hollywood Boulevard to the back alleys south of the border.

May 1992, and after four LAPD officers were acquitted after the savage beating of Rodney King, Los Angeles is ablaze. As looting and burning take over the city, law and order are swept away in a tidal wave of violence. But under threat of their lives, homicide detectives like Harry Bosch are still stubbornly trying to do their job. With no effective police presence on the streets, murder just got a whole lot easier - and investigating them got a whole lot harder.

On New Year's Day, Detective Hieronymus "Harry" Bosch fields a call that a dog has found a bone - a bone that the dog's owner, a doctor, feels certain is human.

Back when Harry Bosch was just a rookie homicide detective, he had an inspiring mentor who taught him to take the work personally and light the fire of relentlessness for every case. Now that mentor, J.J. Thompson, is dead, but after his funeral his widow hands Bosch a murder book that Thompson took with him when he left the LAPD 20 years before - the unsolved killing of a troubled young man in an alley used for drug deals. 

Six months ago Harry Bosch left the LAPD before they could fire him and then hired maverick defense attorney Mickey Haller to sue the department for forcing him out. Although it wasn't the way he wanted to go, Harry has to admit that being out of the game has its benefits. Until Mickey asks him to help on one of his cases, and suddenly Harry is back where he belongs, right in the centre of a particularly puzzling murder mystery.

Harry is back, assigned to the LAPD's Open-Unsolved Unit with his former cop ally and partner, Kizmin Rider. These detectives are the Closers. They are thrown into a politically sensitive and dangerous case when a white supremacist is connected to the 1988 murder of a mixed-race girl. The police department has changed, but one thing hasn't--Harry's nemesis, Irving. The former deputy chief has been pushed from power and given a virtually meaningless new role. Full of vengeance, Irving calls Harry a "retread".