Leviathan is a 2009 novel written by Scott Westerfeld and illustrated by Keith Thompson. It is the first work in the trilogy of the same name, followed by sequels Behemoth and Goliath. From Wikipedia
Directed by Christophe Ferreira with music by Joe Hisaishi, the steampunk saga delivers prelaunch events at Anime Expo, Otakon to give fans early insights.