"Broken Homes" is the fourth volume in the popular "Rivers of London" series by Ben Aaronovitch. In this gripping novel, readers follow police officer Peter Grant as he tracks down a gruesome serial killer linked to a mutilated body found in Crawley. The story unfolds in a magical London, where the boundaries between reality and the supernatural blur. Grant faces a variety of challenges, including a mysterious city planner and a stolen grimoire, as he tries to piece together the puzzle. The narrative is infused with a subtle humor and a loving portrayal of the city of London, which acts as a vibrant character in the story. The combination of a criminal case and fantastical elements makes "Broken Homes" an essential read for fans of urban fantasy and crime novels.