Anyway, he's [Simon] obviously not here. Go back to what you were doing. What's the point in wasting a perfectly good brick wall when you have someone to throw against it, that's what I always say." And she [Isabelle] stalked off, back toward the bar. - City of Fallen Angels pg 188 hardcover
Cassandra ClareWhat about Isabelle?" Simon asked. "Where is she?" The humor, such as it was, left Jace's expression. "She won't come out of her room," he said. "She thinks that what happened to Max was her fault. She won't even come to the funeral." "Have you tried talking to her?" "No," Jace said, "we've been punching her repeatedly in the face instead. Why, do you think that won't work?" "Just thought I'd ask." Simon's tone was mild.
Cassandra Clare