The Trailsman #108: Pawnee Bargain

Description for THE TRAILSMAN:  PAWNEE BARGAIN by Jon Sharpe:

Young Major Duvall was rewriting the book on military madness.  He didn't care how many lives it cost to capture the Pawnee chief, Red Buffalo, be they soldiers, savages, or settlers.  Trouble was, Red Buffalo was just as murderous as the major, and made Skye a devil's bargain to save the innocent by playing turncoat on the bluecoats.  Which left the Trailsman between a rock and a hard place, where it was kill or be killed whichever way he turned his gunsights...