r/scifibooks is a subreddit with 11k members. The community frequently discusses book, scifi, help, sci fi, and books, and the most common flair used is recommendation request., book discussion. , classic sci/fi., hard sci-fi, and sci-fi horror.
The best place to talk about Sci-Fi and hang out with fellow fans of the genre. All are welcome to our community but there is no place for hate.
Popular Topics in r/scifibooks
#1
Book
53 posts
#2
Scifi
28 posts
#3
Help
27 posts
#4
Sci Fi
14 posts
#5
Books
9 posts
#6
Novel
9 posts
#7
Recommendation
9 posts
#8
Series
5 posts
#9
Futuristic
5 posts
#10
Horror
5 posts
Flair Used in r/scifibooks
#1
Recommendation Request.
: "Books with huge, unique cities."
34 posts
#2
Book Discussion.
: "Saw this yesterday and bought it for 75.00 🫣"
27 posts
#3
Classic sci/fi.
: "Which fictional universe has the best spaceships and why?"
8 posts
#4
Hard Sci-Fi
: "Mars colonists s hearing voices from neural implants; based on a real patent for editing and writing thoughts"
7 posts
#5
Sci-Fi Horror
: "[Complete] [50k] [Sci fi, horror, romance] A God in pieces"
3 posts
#6
First Contact
: "Current read- Rendezvous With Rama by Arthur C. Clarke"
2 posts
#7
mod post. 📚
: "Recommendation: Space Academy Dropouts by C.T. Phipps [Sci-Fi, Comedy] (4.4 stars, 385 reviews)"
2 posts
#8
Cyberpunk
: "[Praxis Orbital] I erased 140 years of human memory today. I feel nothing. — Extractor Elias, Personal Log"
2 posts
#9
Dune universe.
: "Nothing to watch, guess I’ll read a book."
1 post
#10
Military Sci-Fi
: "Name of a series of books I read in 2005/2006?"
1 post
Member Growth in r/scifibooks
Yearly
+8k members(276.4%)
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Last updated: August 29, 2026