Complex sentence: "The Last Defender of Camelot" is a fantasy short story by American writer Roger Zelazny, first published in the Summer 1979 issue of "Asimov's SF Adventure Magazine".
Split into simpler sentences: The Last Defender of Camelot is a fantasy short story by Roger Zelazny. It was first published in the Summer 1979 issue of "Asimov's SF Adventure Magazine".