Shadowhunters and demons square off for the final showdown in the spellbinding, seductive conclusion to the #1New York Timesbestselling Mortal Instruments series.Darkness has descended on the Shadowhunter world. Chaos and destruction overwhelm the Nephilim as Clary, Jace, Simon, and their friends band together to fight the greatest evil they have ever faced: Clary’s own brother. Nothing in this world can defeat Sebastian—but if they journey to the realm of demons, they just might have a chance…Lives will be lost, love sacrificed, and the whole world will change. Who will survive the explosive sixth and final installment of the Mortal Instruments series?**About the AuthorCassandra Clare is the author of the #1New York Times,USA TODAY,Wall Street Journal, andPublishers Weeklybestselling Mortal Instruments series, the Infernal Devices trilogy, and the Bane Chronicles. Her books have more than 30 million copies in print worldwide and have been translated into more than thirty-five languages. Cassandra lives in western Massachusetts. Visit her at CassandraClare.com. Learn more about the world of the Shadowhunters at Shadowhunters.com.