Sequels
Two decades after Frank Herbert's death, his son Brian Herbert, along with Kevin J. Anderson, published two sequels – Hunters of Dune (2006) and Sandworms of Dune (2007) – based on notes left behind by Frank Herbert for what he referred to as Dune 7, his own planned seventh novel in the Dune series.
Read more about this topic: Chapterhouse: Dune