"Ten years have passed since Jack Picaro lost his Ghost Rifle--the firearm he invented, the one that never missed its target. The loss of the rifle calmed the hellraiser in his soul. Instead of returning to the gambling halls and whiskey bars of St. Louis, Jack has spent the last decade as a fur trapper in Wyoming's Wild River Range, married to Sky, the daughter of an Arikara war chief. Then, after helping rescue U.S. soldiers captured by Crow Indians...