Frank Herbert
In May 1992, Ace Books published "Songs of Muad'dib" (), a collection of "Dune"-related poems written by Frank Herbert and edited by his son Brian. Brian Herbert and Kevin J. Anderson released "The Road to Dune" on August 11, 2005. The book contains a novelette called "Spice Planet" (an alternative version of "Dune" based on an outline by Frank Herbert), a number of the Brian Herbert/Anderson short stories, and letters and unused chapters written by Frank Herbert.