Princess Irulan, in the opening of David Lynch's film adaptation of Dune, offers this brief summary: The Spacing Guild and its navigators, who the spice has mutated over four-thousand years ...

In the world of Dune, the Guild Navigators are highly-evolved humans who have been altered by their consumption of spice ...

Special schools, such as the Bene Gesserit Sisterhood (the focal point of HBO's Dune: Prophecy), the Order of Mentats, and the Spacing Guild ... The Guild of Navigators is formidable because ...