The Skinwalker: A John Littlefeather novel

The fifth in the Ray Corngrower series. Creek Nation Lighthorse Sergeant John Littlefeather is sent to Nevada with an extradition warrant. When he arrives, he finds that his prisoner has been released, John disguised as a prospector, hopes to make a citizen's arrest, but instead must make a strange alliance in order to challenge a greater evil, than the man he is after.