The Skinwalker: The Ray Corngrower Series, Book 5 (Unabridged‪)‬

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.