The bookstore smash-hit returns for a brand-new story, picking up the threads from the most recent bestselling Rivers of London novel, The Hanging Tree.Peter Grant, apprentice magician and freshly-made Detective, tackles supernatural crimes for the London Met, walking the fine line between two worlds to keep the peace.“A welcome return, and Aaronovich and Cartmel have never been on finer form. The script and art mesh together as well as the best TV shows or films do, really a team effort in every sense.” - Nerdly.