"Texas, by God " cried notorious killer John Wesley Hardin when he saw a Colt .45 pointed at him on a train in Florida. At the other end of the pistol stood Texas Ranger John B. Armstrong. Hardin's arrest assured Armstrong a place in history, but his story is larger, fuller, and even more important-and until now it has never been told. As Elmer Kelton notes in his afterword to this book, "Chuck Parsons's biography is a long-delayed and much-justified tribute to Armstrong's service to Texas." Parsons fills in the missing details of a Ranger and rancher's life, correcting some common...