State Historian and award-winning author Bill O'Neal will present a free vintage gun demonstration and review his latest book, "Texas Gunslingers." O'Neal is the author of "The Bloody Legacy of Pink Higgins" and "The Johnson-Sims Feud" two of his most popular books. Copies of these books and Bill's latest, "Texas Gunslingers" will be on sale after the presentation. Light refreshments will be served. Event sponsored by the Caprock Cultural Association of Garza County.