An alien sent to warn Earth of an invasion lands in Tombstone, Arizona, in 1881--right in the middle of the OK Corral gunfight--with two bounty hunters on his tail and war about to break out in this frontier town. Reprint....
The year is 1882. The enigmatic gunman known as Macklin has made a home for himself in Tombstone, Arizona. As his memory teens, he has come to realize that he is not human, but a being from another planet, sent to protect Earth from a coming invasion...