The Gunslinger by Stephen King (1982)
"The man in black fled across the desert, and the gunslinger followed." If you can resist an opening sentence like that, you have more willpower than I. The Gunslinger begins The Dark Tower series, which follows Roland’s quest to reach the nexus of all universes. Since King finished the seven volume series in 2004, it’s safe to start reading! I also would highly recommend George Guidall or Frank Muller’s narrations.
(Nota Bene: This is NOT a horror series or story. King may be best known for writing horror novels, but he is a masterful storyteller and writer in other genres too!)