Arvia: Fangs of the Frost:

Being sent on a quest to save an entire city and granted the city's full resources is a grand honor. Unless that city is Xin, with no resources to speak of. A magical secret from Xin's founding threatens the city's future, and Darin must lead a rag-tag group to a frigid city at the end of the world to save it. Their dilapidated old trade schooner may be haunted, but it survived conversion into the world's first harpy aircraft carrier. And more importantly, it was cheap. Can a misfit crew of...