Clockwork Princess (Infernal Devices)Third in Cassandra Clares internationally bestselling Infernal Devices trilogy about the Shadowhunters. Danger and betrayal Secrets and enchantment Third and final book in the bestselling prequel series to The Mortal Instruments, set in Victorian London. A net of shadows begins to tighten around the Shadowhunters of the London Institute. Mortmain needs one last item to complete his plan. He needs Tessa. But Jem and Will, the boys who lay equal claim