Between 1864 and 1877, during the height of the Plains Indian wars, Pawnee Indian scouts rendered invaluable service to the United States Army. They led missions deep into contested territory, tracked resisting bands, spearheaded attacks against enemy camps, and on more than one occasion saved American troops from disaster on the field of battle. In War Party in Blue, Mark van de Logt tells the story of the Pawnee scouts from their perspective,...