It also helped that Lily, 24, was a big fan of author Cassandra Clare's Mortal Instruments young-adult book series and an admirer of the literary heroine she plays on-screen, Clary Fray.

Fans of Cassandra Clare‘s books had plenty to cheer about at the Aug. 12 premiere of “The Mortal Instruments: City of Bones” at Hollywood’s Cinerama Dome. “Once I started working on the ...