A young man with a mysterious past and a penchant for inventing things leaves the troll who raised him, meets an unhappy princess he has loved from afar, and discovers a plot against her and her father. IOWA TEEN AWARD 2006 - 2007 Interest Level: 5-8 Reading Level: 5.7 ATOS Book Level: 5.7 AR Interest Level: MG AR Points: 8 AR Quiz: 62564EN Lexile Measure: 840.