"Early Settlers and Indian Fighters of Southwest Texas" is a history book which describes Indian fights and the activities of many famous Texas Rangers on the frontier of Texas during the late 19th century, including information about Texas Ranger Bigfoot Wallace, Henri Castro, the founder of Castroville, and Mrs. Hannah Berry's description of her encounters with Davy Crockett and Josiah Wilbarger.

Andrew Jackson Sowell (1848-1921) was a native Texan from Sequin. His father served in the Texas Rangers and, Sowell followed his fathers' footsteps and joined the rangers in 1870. As a ranger he scouted, trailed and participated in fights, which he later recorded in his writings. His books include: "Rangers and Pioneers of Texas", "Early Settlers of Southwest Texas", "Life of Big Foot Wallace", and "History of Fort Bend County".