House HarkonnenDuke Leto Atreides is now the skilful and much loved ruler of Caladan, served by loyal Duncan Idaho. To his court come Gurney Halleck, despised slave of the Harkonnens, and Jessica, the exquisite, perfectly trained concubine chosen by the Reverend Mothers of the Bene Gesserit to be the mother of Leto's daughter. Meanwhile, on Duneplanet ArrakisHouse Harkonnen ruthlessly harvests the precious, mind enhancing drug called spice. Baron Vladimir is slowly