Skybreaker Matt Cruse Series, Book 2.

High in the sky, far above the normal lanes of travel, drifts a ghost ship carrying unbelievable treasure. Matt Cruse is on the trail of that treasure, with the help of his charming society friend Kate de Vries and a mysterious gypsy girl named Nadira. With them flies Hal Slater, roguish captain of a boldly designed Skybreaker aircraft that can reach heights previously undreamed of. But between Matt and his destination stand ruthless pirates, a...