Captive Sky, Truant Heart by P.S. Chambers

Welcome to the Shattered-Realms, a steam-powered macrocosm poised on the edge of yesterday’s tomorrow. Aboard the aether-lift ship, Osprey, a young girl awaits a cruel fate. Bound for the Ealbon slave markets, Sky must rely upon the aid of an enigmatic and uncertain ally – the Tin Man – to gain her freedom.