Outlaw Breed — Max Brand

"Blood Will Tell!"
Magruder told the visitors to his inn. "I killed the boy's father in a fair fight and took the boy to raise. He's quiet enough now, but someday he'll be an outlaw killer like his pa. No matter how hard I try, he's bound to go bad ..."

And no matter how hard the boy tried, people eyed him with suspicion and dread. He was little more than a slave, laboring for Magruder; but, one day, he'd make the world know what kind of man he was!