Trust is dangerous, and to love is to destroy. Plunge into the fourth installment in the internationally bestselling Mortal Instruments series and "prepare to be hooked" (Entertainment Weekly).

The Mortal War is over, and sixteen-year-old Clary Fray is back home in New York, excited about all the possibilities before her. She's training to become a Shadowhunter and to use her unique power. Her mother is getting married to the love of her life. Downworlders and Shadowhunters are at peace ...