The Clockwork Princess

In the gripping finale of the #1 New York Times bestselling Infernal Devices trilogy, "Clockwork Princess," danger and betrayal threaten the Shadowhunters of the London Institute as Mortmain plots their destruction with his army of relentless automatons. Charlotte Branwell races against time to rescue Tessa Gray, who has been abducted and is pivotal to Mortmain’s plan. As Tessa's friends, Will and Jem, prepare to fight for her, she discovers that she holds the key to her own salvation. Love and sacrifice intertwine in this thrilling conclusion, pushing the characters to their limits.