r/scifibooks is a subreddit with 12k members. The community frequently discusses book, scifi, help, sci fi, and books, and the most common flair used is book discussion. , recommendation request., classic sci/fi., hard sci-fi, and cyberpunk.
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
Book Discussion.
: "Anyone familiar with Destroyermem?"
30 posts
#2
Recommendation Request.
: "All Systems Red"
25 posts
#3
Classic sci/fi.
: "Nice bookshop find-Harlan Ellison"
7 posts
#4
Hard Sci-Fi
: "Books like Children of Time"
5 posts
#5
Cyberpunk
: "Discord based book club begins William Gibson's Neuromancer, 9/1."
3 posts
#6
mod post. 📚
: "Recommendation: Space Academy Dropouts by C.T. Phipps [Sci-Fi, Comedy] (4.4 stars, 385 reviews)"
2 posts
#7
Military Sci-Fi
: "What’s your favorite spaceship weapon and why?"
1 post
#8
Dune universe.
: "Is it me or is the pacing of Dune painfully slow?"
1 post
#9
Space Opera
: "🚀 SPACESHIPS WEEKLY | September 18, 2026"
1 post
#10
First Contact
: "1st Contact with Innerspace and the architecture of reality 〰️〰️〰️✨📡✨"
1 post
Member Growth in r/scifibooks
Yearly
+9k members(302.0%)
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Last updated: September 21, 2026