There are 2 pages on our website that are tagged with clerical science fiction
Clerical subgenre tales involve an organized priesthood, such as a religious order, of any human or alien religion. Set on Earth, Walter Miller's novel A Canticle for Leibowitz chronicles one sincere and long-lived order. Frank Herbert's Bene Gesserit (in his "Dune" franchise) dominates human history, yet without profound expressions of individual faith.