The first book in the fantastical steam punk trilogy Leviathan, from internationally bestselling author Scott Westerfeld, lavishly illustrated by Keith Thompson.

Prince Aleksander, would-be heir to the Austro-Hungarian throne, is on the run. His own people have turned on him. His title is worthless. All he has is a battletorn war machine and a loyal crew of men.

Deryn Sharp is a commoner, disguised as a boy in the British Air Service. She's a brilliant airman. But her secret is in constant danger of being discovered.

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