Australia Day long weekend - so Australian author reading of course.
From the Blurb:
When a teenage boy is killed in a targeted shooting, the events that unfold rock the lives of the migrant families of Cringila. School friends Jimmy and Piggy have witnessed the violent crime, but need to protect their fledgling drug business.
After seasoned police detective Gordon Winter is assigned the murder case, his investigations uncover long-buried secrets and an entrenched culture of loyalty and fear.