I tend to read these Harry Bosch thrillers in a whatever order I come across them in charity/second-hand book shops, rather than the order in which the author wrote them. Sometimes, there are fun coincidences by doing that. This book is supposedly an anomaly in which Harry Bosch works as an investigator for his half-brother Micky Haller (he refers to this as the dark side, having recently retired from the LAPD): but in The Night Fire, the last book I read in this series, he did exactly the same thing!
The crossing referred to in the title is where the victim and the accused cross paths – and that’s the problem in this case. Despite efforts by the original investigators on the crime, no connection was made between Lexi Parks, a manager at the council, and Da’Quan Foster, a former gang member who now runs a reputable business. Whilst DNA evidence put DQ at the scene of the crime, Micky Haller is convinced that his client is innocent and enrols Bosch to take a look at the case. Bosch too is unsatisfied, especially given the frenzied nature of the attack.
In a parallel story line, Ellis and Long, two LA vice cops, are taking the law into their own hands – intimidating Micky Haller and his investigator as well as tailing Bosch. The challenge for Bosch is to find the real killer of Parks, starting by tracing her missing watch (a rare and expensive timepiece). He must also persuade the accused, DQ, to divulge his real alibi, which opens another line of enquiry into the recent murder of local prostitute James Allen.
This is another excellent thriller in Connelly’s Harry Bosch series – it also features his half-brother Micky Haller. 
This book is from the Harry Bosch series by Connelly and comes at a critical time. Detective Bosch has left the cold crimes unit in the LAPD, so how can the author continue to provide him with a stream of crimes to investigate? Take on some private investigator work and volunteer for the San Fernando Police Department – that’s how. This gives an interesting mix and new dilemmas – Bosch is forbidden from using police resources (such as databases) for his private work, but will he abide by the rules?
This Harry Bosch thriller starts with an investigation into the murder of a Chinese convenience store owner. It happens that this very man gave shelter to Harry in his shop during a riot, so he resolves to do everything he can to track down the culprit. During the investigation, the author answers a lingering question – how did Harry suddenly find himself looking after his teenage daughter, in later books in the series? The daughter, Madeline, was living with her mother Eleanor Wish in Hong Kong – they become an integral part of this story when a Triad gang decide to ward off Harry’s murder investigation by kidnapping Maddie. 
This is another in the Harry Bosch series. He teams up with a rookie detective Lucia Soto to investigate the death of a mariachi band member (who succumbed to complications from being shot ten years earlier). We later discover that Soto has connections to the area and a background investigation runs in parallel into a horrific fire that killed a number of children (and from which Soto escaped).
This is another Harry Bosch thriller by Michael Connelly. This one is set at a period of time when Harry is married to Eleanor, but the marriage is in trouble. A bad time, then, to be assigned to a highly sensitive case which could trigger riots in the discontented city if handled injudiciously. 
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