The Great Dune Trilogy [1979] [O]
    Dune [1965]
    Dune Messiah [1969]
    Children of Dune [1976]
The Second Great Dune Trilogy [1987] [O]
    God-Emperor of Dune [1981]
    Heretics of Dune [1984]
    Chapterhouse: Dune [1985]