Publisher's Synopsis
At the end of book one, heroes Alek and Deryn were on the air ship Leviathan, heading towards Constantinopleto deliver a secret package. Of course, there's much more to remember. Alek is the would-be heir to the Austrian throne, only World War I has thrown him in hiding from everyone, including Deryn. Deryn is hiding a secret of her own. She's a girl passing as a guy in the British air service.
