This is the second book in the exciting "Infernal Devices" series written and signed by award-winning author Cassandra Clare. In this stand-alone sequel to Clockwork Angel, Tessa Gray finds that even the Shadowhunters cannot totally protect her from new dangers in the magical underworld of Victorian London. As the treachery of the mysterious Magister grows and becomes clearer, she worries about secrets from the past and relationships in the present. Ages 14 and up.