The Infernal Devices Series boxed set, by Cassandra Clare: Clockwork Angel (2010, 479 pages), Clockwork Prince (2011, 502 pages), and Clockwork Princess (2013, 570 pages). Prequels to the Mortal Instruments Series. A Shadowhunters Series. Paperbacks in excellent, like new condition in a sturdy box (slight wear on bottom corners/edges). Text only. Cash (preferred) or Venmo. Discount on multiple items.