The Edge Chronicles, Book 3: Midnight Over Sanctaphrax

Far over the Edge, a mighty storm is brewing - a whirling vortex of immense power and unimaginable ferocity that is essential to the survival of the Edgelands. In its path is Sanctaphrax - a magnificent city built on a floating rock and tethered to the land by a massive chain. Sailing over the Edge and into the maelstrom itself, Twig - a young sky pirate captain - is the only Edgelander to learn of the approaching danger. But the perilous voyage destroys his sky ship, hurling his crew far i...