Clary glanced past him and asked, "Where's Magnus?" "He said it would be better if he didn't come. Apparently he and the Seelie Queen have some kind of history." Isabelle raised her eyebrows. "Not that kind of history," said Alec irritably. "Some kind of feud. Though," he added, half under his breath, "the way he got around before me, I woudn't be surprised.

Cassandra Clare: The Mortal Instruments Series (5 books) (ed. Simon and Schuster, 2012) - ISBN: 9781442481015