Idaho | Boise, Idaho | University of Idaho | Idaho Falls, Idaho | Isadora Duncan | Duncan Sandys | Arne Duncan | Pocatello, Idaho | Idaho National Laboratory | Duncan, British Columbia | Seymour Duncan | Sandy Duncan | Iain Duncan Smith | Duncan Hines | Duncan Edwards | Moscow, Idaho | John Duncan | Idaho Territory | Duncan MacLeod | Duncan | Sun Valley, Idaho | John Duncan (artist) | Idaho Falls | Coeur d'Alene, Idaho | Adam Duncan | Twin Falls, Idaho | Snake River Canyon (Idaho) | Raymond Duncan | Lewiston, Idaho | Idaho Vandals football |
Suk doctor Wellington Yueh, the Bene Gesserit Lady Jessica and Harkonnen enemies Duncan Idaho and Gurney Halleck ally themselves with Leto, and Shaddam nearly destroys the all-important planet Arrakis thinking he has found a replacement for its priceless and essential export, melange.