Clockwork Prince (Infernal Devices, The) By Cassandra Clare

Publisher ‎Margaret K. McElderry Books; Reissue edition (September 1, 2015) Language ‎English Paperback ‎560 pages ISBN-10 ‎1481456016 ISBN-13 ‎978-1481456012 Reading age ‎14 years and up In the magical underworld of Victorian London, Tessa Gray has found safety with the Shadowhunters. But that safety proves fleeting when it becomes clear that the mysterious Magister will stop at nothing to use Tessa’s powers for his own dark ends.