I have a close friend (gegia.dev) who seems to have read almost every fictional book that exists on this planet. Inspired by him, I started reading the books he recommended, and I've found the experience absolutely thrilling. During this time, I've become a big fan of Blake Crouch, although his latest book, "Upgrade," has been a huge disappointment.
In short, over the past two years, I've read the following sci-fi novels, listed in the order of my personal preference:
ps. Currently, I am reading "Ubik" by Philip K. Dick. I wonder here it will end up in my ranking of sci-fi books 🙂