"City of Glass" is the third book in the "Mortal Instruments" series by Cassandra Clare, a young adult urban fantasy series. The novel continues the story of Clary Fray, a teenage girl with the ability to see and interact with demons and other supernatural beings. In "City of Glass," Clary and her friends travel to the Shadowhunter capital city of Idris in order to find a way to save her mother and prevent Valentine, a powerful and dangerous Shadowhunter, from completing his plan to destroy all downworlders. Along the way, Clary discovers secrets about her family and her own abilities, and must confront her feelings for two boys, Jace and Simon. The novel is filled with action, romance, and intricate plot twists, as Clary and her friends fight to save their world from destruction.
1