James and Cordelia must save London-and their marriage-in this thrilling and highly anticipated conclusion to the Last Hours series from the #1 New York Times and USA TODAY bestselling author Cassandra Clare. Chain of Thorns is a Shadowhunters novel.

All first edition hardcovers will include full-color reverse jacket art, ten black-and-white interior illustrations, and a bonus short story!

Cordelia Carstairs has lost everything that matters to her. In only a few short weeks, she has seen her father murdered, her plans to become...