The fate of the Cinder Spires may be decided by crossed swords in the next exhilarating fantasy adventure from the author of the Dresden Files, in this New York Times bestselling series of noble families, swordplay, and airships. For centuries the Cinder Spires have safeguarded humanity, rising far above the deadly surface world. Within their halls, aristocratic houses rule, developing scientific marvels and building fleets of airships for defense and trade.Now, the Spires ho