Despite the heat in her face, it felt as if cold needles of ice were running up and down her veins. "What are you doing here?"
He drew back slightly, looking disappointed. "That isn't really an answer to my question, you know. I was expecting more of a "Hallelujah Chorus.' I mean, it's not every day your boyfriend comes back from the dead."
"I already knew you weren't dead." She spoke through numb lips. "I saw you in the library. With--"
"Colonel Mustard?"
"Sebastian.

Author: Cassandra Clare