Chapterhouse: Dune Novel by Frank Herbert

Chapterhouse: Dune by Frank Herbert continues the story of the Bene Gesserit, who are struggling to rebuild after the destruction caused by the Honored Matres. The Sisterhood is attempting to terraform the planet Chapterhouse to produce sandworms, a key source of spice. Meanwhile, they confront threats from the Honored Matres and other factions in a war for survival and power.

The novel follows characters like Murbella, a former Honored Matre, and Duncan Idaho, a ghola, as they navigate political and military struggles. The Bene Gesserit prepare for a final assault against their enemies, but unexpected betrayal and challenges force them into a precarious situation. The story focuses on themes of power, survival, and the evolution of the Sisterhood in a turbulent universe.