The final thrilling novel in the #1 New York Times bestselling The Dark Artifices trilogy by Cassandra Clare. What if damnation is the price of true love? Julian and Emma take desperate measures to put their forbidden love aside and undertake a perilous mission to Faerie to retrieve the Black Volume of the Dead. What they find in the Courts is a secret that may tear the Shadow World asunder and open a dark path into a future they could never have imagined. Caught in a race against time, Emma and Julian must save the world of Shadowhunters before the deadly power of the parabatai curse destroys them and everyone they love.