Sky Pirates of the Rio Grande

1867: Genius clerk Eden Kane leaves the Smithsonian's Department of Hazardous Artifacts on a forbidden mission to reclaim the sky pirates' secret Dark Aetheric Transmitter. She frees Zenobia Santiago, ex-bandit and Experimental tiger-woman, to guide her through a West full of criminals, rogue Experimentals, and dinosaurs, and into the secret lair of the Sky Pirates of the Rio Grande. Explicit sex!