Chain of Iron is a Shadowhunters novel. Cordelia Carstairs seems to have everything she ever wanted. Shes engaged to marry James Herondale, the boy she has loved since childhood. She has a new life in London with her best friend Lucie Herondale and Jamess charming companions, the Merry Thieves. She is about to be reunited with her beloved father. And she bears the sword Cortana, a legendary heros blade.But the truth is far grimmer. James and Cordelias marriage is a lie, arranged to save Cordelias reputation. James is in love with the mysterious Grace Blackthorn whose brother, Jesse, died years ago in a terrible accident. Cortana burns Cordelias hand when she touches it, while her father has grown bitter and angry. And a serial murderer is targeting the Shadowhunters of London, killing under cover of darkness, then vanishing without a trace.Together with the Merry Thieves, Cordelia, James and Lucie must follow the trail of the knife-wielding killer through the citys most dangerous stree