Sci-fi was always a current-day allegory. That's why I prefer cyberpunk: rather than allegorical, it tries to be literal and concrete. But cyberpunk is not ima

Sci-fi was always a current-day allegory. That's why I prefer cyberpunk: rather than allegorical, it tries to be literal and concrete. But cyberpunk is not imaginative in the way you're looking for. I can appreciate that. What are some examples of the old-school, non-allegorical stuff? Maybe Exhalation?