In an alternate 1914 Europe, fifteen-year-old Austrian Prince Aleksandar, on the run from the Clanker Powers who are attempting to take over the globe using mechanical machinery, forms an uneasy alliance with Deryn Sharp, who is learning to fly genetically-engineered beasts. Iowa Teen Award 2012 - 2013. Second Chance Reading. Interest Level: YA ATOS Book Level: 5.3 AR Interest Level: MG AR Points: 12 AR Quiz: 132849EN Lexile Measure: 790.