Longarm and the stagecoach robbers

"They say actions speak louder than words. So when two masked men with sawed-off shotguns stop the South Park stagecoach, they don't need to announce their intentions. Since the silent thieves are helping themselves to the United States mail, Deputy Marshal Custis Long is charged with reining in the robbers. When he's not driving the stagecoach to smoke out the highwaymen, Longarm is driven to distraction by the gorgeous and insatiable widow who owns the stagecoach line. But with the bandits lying low, Longarm starts to feel like he's just spinning his wheels--until he sets a trap that will have the hushed highwaymen crying out for mercy"--