Series
There are 6 books in the Dune series.
Published between 1965 and 1985, in the same order they are meant to be read.
Dune is Frank Herbert's science-fiction saga of six novels, from Dune (1965) to Chapterhouse: Dune (1985). It begins with Paul Atreides on the desert planet Arrakis, the only source of the spice that makes interstellar travel possible, and spans thousands of years. Brian Herbert and Kevin J. Anderson later wrote many prequels and sequels, which are separate from the original six.
The 5 books listed here total 3,045 pages.
The Books Oracle — track the series you are partway through, and see what to read next.