Harry Bosch, newly transferred to the Homicide Special Unit of the Los Angeles Police Department, is faced with the task of breaking in a rookie partner while investigating the murder of a physicist who had access to radioactive cesium, a substance coveted by terrorists.

Los Angeles Police Department detective Hieronymous "Harry" Bosch stalks drug traffickers in Log Angeles and Mexico.

While journalist Jack McEvoy is conducting his own investigation following the suicide of his brother, he becomes a potential victim of a serial killer who specializes in murdering police officers.

He walked away from the job three years ago. But Harry Bosch cannot resist the call to join the elite Open/Unsolved Unit. His mission: solve murders whose investigations were flawed, stalled, or abandoned to L.A.'s tides of crime. With some people openly rooting for his failure, Harry catches the case of a teenager dragged off to her death on Oat Mountain, and traces the DNA on the murder weapon to a small-time criminal. But something bigger and darker...

A dog's discovery of a human bone drags Detective Bosch into a twenty-year-old case of murder, a case that leads him deeper and deeper into a violent past even as he finds his present being lit by a rookie cop named Julia Brasher.

Ex-con Cassie Black, lured back to a life of crime by a desperate need for money, lines up a mark to rob at a Las Vegas casino, only to find she has been set up by Jack Karch, a psychopathic private investigator employed by the mob.

Criminal defense lawyer Mickey Haller's newest client is Lisa Trammel, a young woman accused of killing the banker she blames for trying to take away her home, and despite mounting evidence and his own suspicions that his client is guilty, Mickey vows to clear Lisa's name, and when he uncovers a conspiracy with millions of dollars at stake, Mickey realizes someone besides Lisa had a bigger motive for murder and a reason to kill Mickey to keep him...

Newspaperman Jack McEvoy decides to use his final days at the LA Times to write the definitive murder story of his career. Focusing on the case of Alonzo Winslow, a 16-year-old drug dealer in jail after confessing to a brutal murder, Jack realizes that Winslow's so-called confession is bogus and that the real killer is operating completely below police radar--and with perfect knowledge of any move against him.

Renée Ballard works the night shift in Hollywood, beginning many investigations but finishing none as each morning she turns her cases over to day shift detectives. A once up-and-coming detective, she's been given this beat as punishment after filing a sexual harassment complaint against a supervisor. But one night she catches two cases she doesn't want to part with: the brutal beating of a prostitute left for dead in a parking lot and the killing...

Defense attorney Mickey Haller agrees to work for the prosecution and teams up with Los Angeles Police Department detective Harry Bosch to convict Jason Jessup, who spent twenty-four years in jail for the murders of children and was recently exonerated by new DNA evidence and Mickey believes will kill again.