“Watching Jace hug Isabelle, she tried to school her features into a happy and loving expression."Are you all right?" Simon asked, with some concern. "Your eyes are crossing.”

Cassandra Clare is an American author of young adult fantasy. She gained prominence for her *Mortal Instruments* series, blending urban fantasy and gothic romance, and later expanded her world with the *Shadowhunters* novels. Her work explores themes of identity, destiny, and hidden supernatural communities.