Clockwork Princess

Danger and betrayal in the breathtaking conclusion to the. Infernal Devices trilogy

As Tessa Gray prepares for her wedding, 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. Jem and Will, the boys who lay equal claim to Tessa's heart, will do anything to save her.