This text functions primarily as front matter and introductory material, specifically presenting a table of contents, a listing of related works by Frank Herbert, and a prologue. The prologue details a major historical announcement made by Hadi Benotto regarding discoveries on the planet of Rakis at Dar-es-Balat.
During the announcement, Benotto reveals the unearthing of a monumental collection of original journals belonging to Leto II, the God Emperor. He outlines several key pieces of evidence supporting the authenticity of these findings, including the use of the Spacing Guild Key for translation, the discovery of an ancient Ixian dictatel and an underground storehouse believed to be the earliest form of an Ixian no-room, and recovered oral recordings intended for authentication by the Bene Gesserit Archives.
The prologue concludes by presenting translated excerpts from the newly discovered journals and a public reading by the poet Rebeth Vreeb. In these reflected thoughts, Leto II grapples with the overwhelming burden of his ancestral memories, describing himself as the book of fate trapped within a storm of past lives, questions, and endless inherited experiences.