This article or section refers to elements from Expanded Dune.
The Prelude to Dune trilogy refers to the following three books by Brian Herbert and Kevin J. Anderson:
Information from these novels is considered Expanded Dune on the Dune Wiki.
The Prelude to Dune novels take place before the birth of Paul Atreides, and mostly follow the life of Leto Atreides I. The birth of Paul is one of the last events in Dune: House Corrino.