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 Shadow hunters 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 parabatai with her best friend, Lucie, destroyed, and her marriage to James Herondale crumble before her eyes. Even worse, she is now bound to an ancient demon, Lilith, stripping her of her power as a Shadow hunter. After fleeing to Paris with Matthew Fairchild, Cordelia hopes to forget her sorrows in the city's glittering nightlife. But reality intrudes when shocking news comes from home- Tatiana Blackthorn has escaped the Adamant Citadel, and London is under new threat by the Prince of Hell, Belial. Cordelia returns to a London riven by chaos and dissent. The long-kept secret that Belial is James and Lucie's grandfather has been revealed by an unexpected enemy, and the Herondales find themselves under suspicion of dealings with demons.