Chapterhouse Dune

Summary: The desert planet Arrakis, called Dune, has been destroyed. Now, the Bene Gesserit, heirs to Dune's power, have colonized a green world—and are tuning it into a desert, mile by scorched mile. Chapterhouse Dune is the last book Frank Herbert wrote before his death: A stunning climax to the epic Dune legend that will live on forever