A #1New York TimesBestseller!The Shadowhunters must catch a killer in Edwardian London in this dangerous and romantic sequel to the #1New York Timesbestselling novelChain of Gold, fromNew York TimesandUSA TODAYbestselling author Cassandra Clare.Chain of Ironis a Shadowhunters novel.Cordelia Carstairs seems to have everything she ever wanted. She's engaged to marry James Herondale, the boy she has always loved; she has a new life in London with her best friend Lucie; and she bears the sword Cortana, a legendary hero's blade.But the truth is far grimmer. Cordelia's marriage is a lie, arranged to save her reputation, while James remains in love with the Grace Blackthorn. Cortana burns her when she touches it. And a serial murderer is targeting the Shadowhunters of London, killing under cover of darkness, then vanishing without a trace.Now Cordelia, James, and Lucie must follow the trail...