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by Kenneth Oppel
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.