Super Short Summary

Leviathan is a young adult steampunk novel set during World War I, focusing on two teenagers from opposing factions: Alek, a fugitive prince on the run from assassins, and Deryn, a girl disguised as a boy to serve on a British airship. Their paths converge as they navigate conflicts between the Darwinists, who use genetically engineered creatures, and the Clankers, who rely on mechanized technology. The novel explores themes such as resolving differences and the consequences of subterfuge.