In Mayda, a post-apocalyptic city off the coast of Portugal, a brilliant young engineer and a mysterious recluse race to build a flying machine, unaware that powerful enemies will kill to possess--or destroy--their new technology. Interest Level: YA ATOS Book Level: 6.6 AR Interest Level: MG AR Points: 12 AR Quiz: 146626EN Reading Counts Level: 8.5 Reading Counts Points: 18 Lexile Measure: 1000 Guided Reading Level: X.