"Stretching back to the publication of Mary Shelley’s Frankenstein in 1818, science fiction has been one of the most important literary genres. There’s no shortage of sci-fi novels that beginners should check out, including classics like Dune, A Wrinkle in Time, The Hitchhiker’s Guide to the Galaxy, and Neuromancer."
https://screenrant.com/best-sci-fi-books-released-past-decade/