I always recommend starting with 'Dune' by Frank Herbert. It's the perfect entry point because it introduces the rich universe, complex politics, and unforgettable characters like Paul Atreides. The world-building is unmatched, and the themes of power, ecology, and destiny are timeless.
If you're worried about the depth, don't be—Herbert's writing is immersive but accessible. The sequels, like 'Dune Messiah' and 'Children of Dune,' are fantastic but build on the foundation of the first book. For beginners, diving straight into 'Dune' is the best way to experience the series. It’s a standalone masterpiece that also opens the door to an expansive saga. Trust me, once you finish, you’ll be itching to explore the rest of the universe.