Mortal Instruments Book 6 - City of Heavenly Fire

The Shadowhunter world faces its darkest hour as Clary, Jace, Simon and their allies confront Sebastian, an enemy they cannot defeat in their own realm. To stand a chance against this ultimate threat, they must venture into the demon world itself, where nothing is certain and everything will be tested. This explosive final book demands sacrifice, reshapes alliances, and determines who will emerge from the battle that changes their world forever.