William Sydney Porter known by his pen name O. Henry, was an American short story writer. His wit and plot twists were adored by his readers, but often panned by the critics. "Collected Tales" includes amazing stories: "The Last of the Troubadours", "The Sleuths", "Witches' Loaves", "The Pride of the Cities", "Holding Up a Train", "Ulysses and the Dog Man" and many others.