Random House Children's Audio Edge Chronicles 5: Stormchaser

Since his childhood in the Deepwoods, young Twig has always longed to soar above the forest canopy and explore the sky. Now a crew-member on his father's sky pirate ship, the Stormchaser, his dream seems fulfilled. But a much higher destiny awaits Twig as plots and treacheries bring the lofty city of Sanctaphrax to the point of disaster. ...