The Sackett novels of Louis L'Amour

When Galloway and Flagan Sackett try settle down and start their own cattle spread, they find themselves plagued by rampaging Apache warriors and the bloodthirsty, looting Dunn family, who are bent on killing and buring out every new settler. --The Sky-Liners, The Sackett boys weren't out to make a reputation when they made a fool out of the notorious outlaw Black Fetchen and lived to tell about it. But now Fetchen is riding after them with a gang of the most expensive hired killers in the country, and when the showdown comes someone is going to die. --The Man from the Broken Hills, Milo Talon is half Talon and half Sackett. After riding, the outlaw trail for three years, he takes a job as a cowhand only to discover he's working for a man who betrayed his kin. But the real trouble starts when he meets the firebrand daughter of the range with the help of hired gunmen. -- Ride The Dark Trail, Logan Sackett is no hero.but when learns that his feisty old gun-toting Aunt Em is alone and in trouble, he comes to her rescue. The town mayor has hired a bunch of gunslingers to drive the old woman off her ranch, and Logan must try to hold them off until help arrives.