Imprisoned aboard a zeppelin floating high above a steampunk metropolis, greeting-card writer Harold Winslow is composing his memoir. His only companions are the disembodied voice of Miranda Taligent—the only woman he has ever loved—and the cryogenically frozen body of her father, the devilish genius and industrial magnate, Prospero Taligent.
Amidst a place where deserted islands exist within skyscrapers, where the well-heeled have mechanical men for servants, where the realms of fairy tales can be built from scratch, and where other visionary inventions of Prospero Taligent have changed the world from an age of miracles to one of machines and noise, Harold Winslow heads towards a final, desperate confrontation with the mad inventor in order to save Miranda’s life. But all the while, Harold is an unwitting participant in the creation of the greatest invention of them all—the perpetual motion machine...