Ben Aaronovitch's bestselling Rivers of London urban fantasy series - "The perfect blend of CSI and Harry Potter ." --io9 A mutilated body in Crawley. A killer on the loose. The prime suspect is one Robert Weil, possibly an associate of the twisted wizard known as the Faceless Man. Or maybe just a garden-variety serial killer. Before apprentice wizard and Police Constable Peter Grant can even get his head 'round the case, two more are dropped in his...