Born in Sonora in 1868 to a Mexican mother and a German father, Federico Ronstadt was the quintessential borderman. He came to Arizona Territory as a young man to learn a trade and eventually became an American citizen; but with many relatives on both sides of the border, Federico was equally at home in Mexico and in his adopted country.

Writing proudly of his Mexican and American heritages, Ronstadt offers readers an extraordinary portrait of the Arizona-Mexico borderlands during the late nineteenth century. His memoirs provide a richness of detail and insight unmatched by...