The Mortal Instruments 5: City of Lost Souls by Cassandra Clare
English version
2012 edition
Book in good condition, read once
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Synopsis:

Jace is now a servant of evil, bound for all eternity to Sebastian. Only a small band of Shadowhunters believe he can be saved. To do this, they must defy the Clave. And they must act without Clary. For Clary is playing a dangerous game utterly alone. The price of losing is not just her own life, but Jace's soul.