Last Stand at Saber River — Elmore Leonard

BLOOD OF A SOLDIER
A one-armed man stood before Denaman's store, and the girl named Luz was scared. Paul Cable could see that from the rise two hundred yards away, just as he could see that everything had changed while he was away fighting for the Confederacy. He just didn't know how much.

Cable and his family rode down to Denaman's store and faced the one-armed man. Then they heard the story, about the Union Army and two brothers -- and a beautiful woman -- who had taken over Cable's spread and weren't going to give it back. For Paul Cable the war hadn't ended at all. Among the men at Saber River, some would be his enemies, some might have been his friends, but no one was going to take his future away -- not with words, not with treachery, and not with guns....