A Cure for the Daltons (Lucky Luke Adventure Series #23)

Austrian Professor Otto von Himbeergeist arrives in the New World with some strange ideas: Criminals are victims of their past and can be cured of their lawlessness. To prove his theories, the scientist intends to travel to the Wild West and reform the worst possible outlaws in the land-the baddest, dumbest bandits ever: the Dalton brothers! Who will be tasked with keeping a close watch on the experiment? Why, Lucky Luke, of course!