I got a chance to meet the two leads and the author from the upcoming movie The Mortal Instruments: City Of Bones – Lily Collins, Jamie Campbell Bower and Cassandra Clare. This is the latest in young adult fantasy fiction to capture the imaginations of those who long for a world of magic, monsters and mortal danger.  In 2007 author Cassandra Clare introduced young adult readers to the reluctant warrior, Clary Fray (Collins), in The Mortal Instruments: City of Bones, the first entry in what would become a fantasy-adventure empire. In Clare’s carefully constructed magical world, a young woman finds herself surrounded by warlocks, vampires, werewolves, demons—and the mysterious Shadowhunters,…