A Walk Among The Tombstones by Lawrence Block

In this gripping crime thriller, a former NYPD detective turned unlicensed private investigator is drawn into a chilling case involving the brutal kidnapping and murder of a drug dealer's wife. As he delves deeper into the dark underbelly of New York City, he uncovers a sinister world of violence and corruption, where the lines between justice and vengeance blur. With a complex plot and richly developed characters, the story explores themes of morality, redemption, and the relentless pursuit of truth in a city teetering on the edge of chaos.