r/printSF↗
Written Speculative Fiction in all its forms.
**A place to discuss published speculative fiction**—novels, short stories, comics, and more. Not sure if a book counts? Then post it! Science Fiction, Fantasy, Alt. History, Postmodern Lit., and more are all welcome here. **The key is that it be speculative, not that it fit some arbitrary genre guidelines**. Any sort of link or text post is welcome as long as it is about printed / text / static SF material.
365k subscribers316 posts / mo in Sep 2026 (incl. <1% by known bots)251 authors / mosince 2010
r/printSF has 365k members (+6.4% over the last 12 months). It gets about 316 posts a month from 251 people. Top topics: Sci-Fi Books, Space Sci-Fi Books and Space Opera Novels.
When to post on r/printSF
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How r/printSF has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/printSF
Top topics
Share of the subreddit's posts
- Sci-Fi Books6.5%
- Space Sci-Fi Books4.2%
- Space Opera Novels3.6%
- Sci-Fi Horror Aliens2.6%
- Military Sci-Fi & Strategy1.9%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Goodreads
- Clarkesworld Magazine
- Lightspeed Magazine
- Reactor
- Home Page
Everything else about r/printSF
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research