She threw the door open. The room seemed to be a sort of...

She threw the door open. The room seemed to be a sort of library, the walls lined with books. It was brightly lit, light streaming through a tall picture window. In the middle of the room stood Jace. He wasn't alone, though-not by a long shot. There was a dark-haired girl with him, a girl Clary had never seen before, and the two of them were locked together in a passionate embrace