Above the Llano — Eric H. Heisner

Returning to Arizona, Holton Lang is once again riding the path of a solitary existence. Or is he...? Fighting a nest of squatters on the ranch, and reconnecting with Bear and a welcomed visitor, he is tempted to put down his roots for good. With the unexpected appearance of his Indian-sniffing dog, Holton is once again pulled to the trail of adventure, hoping to come to the aid of his young friend, Jules and a band of Texas Rangers, before it is too late...