Like many Texans, Michael H. Marvins has been making regular pilgrimages to the Hill Country for much of his life. Traveling the back roads of the Texas Hill Country, cameras always poised for action, Marvins has captured the excitement of small-town rodeos, savored the mesquite-smoked atmosphere of local eateries, observed the daily lives of people on the land, and admired the scenic beauty of the landscape and its natural denizens. Most important,...