City of Heavenly Fire is the sixth book in The Mortal Instruments series by Cassandra Clare.
Darkness has descended on the world of Shadowhunter.
Chaos and destruction engulf the Nephilim as Clary, Jace, Simon, and their group of friends come together to fight the greatest evil they’ve ever faced: Clary’s brother.
Nothing in this world can beat Sebastian – they journey to the realm of demons, they just might have a chance.
Life will be lost, love will be sacrificed, and the whole world will change.
