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The Impossible Cube

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In this steampunk sequel to The Doomsday Vault, a pair of adventurers confront technological terrors as they race for their lives from Britain to China.

Gavin Ennock once sailed the skies on airships and delighted audiences with his fiddle music. Now a victim of the Clockwork Plague, he is consumed by both madness and brilliance. To save her fiancé's life, Alice Michaels breaks into the Doomsday Vault to recover a cure, only to incur the wrath of the British Empire and make them both enemie...