Book One: Dune
Book Two: Muad’Dib
Book Three: The Prophet
Appendix I: The Ecology of Dune
Appendix II: The Religion of Dune
Appendix III: Report on Bene Gesserit Motives and Purposes
Appendix IV: The Almanak en-Ashraf (Selected Excerpts of the Noble Houses)
Terminology of the Imperium