The Reluctant Gun by John J. Howard
Approx. 74,940 words.
Published on June 14, 2012.
Left alone after the death of his mother, Matt Wilson buys a gun and becomes the best there is. Forced into gunfights and earning a reputation that he doesn't want, Matt changes his name and heads west. When Matt meets and falls in love with a girl in Wyoming, he soon finds that it will take all of his skill with a gun to save the girl's ranch from the range hog who wants the entire valley.