r/ScienceFictionBooks
29k members
r/ScienceFictionBooks is a subreddit with 29k members. The most common kinds of discussions are advice requests and self-promotion, and the community frequently discusses sci fi, science fiction, books, book, and specific book, and they frequently recommend/review science fiction books, novels, and audiobook.
Welcome to a Science Fiction book club! We read Science fiction books from the old masters to new authors and everything in between!
Popular Themes in r/ScienceFictionBooks
#1
Advice Requests
: "I read I Robot 50 yrs ago (loved it) and, as an avid fiction reader, I’ve never since dipped into sci-fi. I don’t like fantasy but love the idea of different worlds and spaceship travel for years to find populated planets. I’d love some suggestions for books that have literary merit."
31 posts
#2
Self-Promotion
: "New to Reddit: My novel was well received in my home country — how do I introduce it here internationally without breaking rules?"
2 posts
#3
Pain & Anger
: "To Sleep in a Sea of Stars went from a 100-star masterpiece to a 1-star crash landing. I feel so let down. [No Spoilers]"
1 post
Popular Topics in r/ScienceFictionBooks
#1
Sci Fi
: "Looking for Medical Sci Fi book"
37 posts
#2
Science Fiction
: "Science Fiction in Cyberspace"
33 posts
#3
Books
: "Looking for bleak Books in space"
22 posts
#4
Book
: "Book III — The Culture of the Subterranean Humans of PROFUNDIS"
15 posts
#5
Specific Book
12 posts
#6
Scifi
: "Looking for a Scifi book from 20+ years ago"
8 posts
#7
Looking For A Book
6 posts
#8
Novel
: "Looking for a Sci-fi/Horror/Mystery Novel or series"
6 posts
#9
Time Travel
: "sf Time Travel books recs"
6 posts
#10
Looking For
: "Looking For a Sci-fi/Horror/Mystery novel or series"
6 posts
Products Discussed in r/ScienceFictionBooks
Science Fiction Books
16 reviews
#1
Andy Weir
5.0★ from 2 reviews
#2
Hugh Howey
4.0★ from 1 review
#3
James S.A. Corey
5.0★ from 1 review
Novels
10 reviews
#1
John Ringo
5.0★ from 2 reviews
#2
Max Brooks
5.0★ from 2 reviews
#3
Otto Schafer
5.0★ from 1 review
Audiobook
6 reviews
#1
Ben Aaronovitch
5.0★ from 1 review
#2
Patrick Lee
4.0★ from 1 review
#3
The Yiddish Policemen’s Union
4.0★ from 1 review
Flair Used in r/ScienceFictionBooks
#1
Recommendation
: "Just read The Long Way To A Small Angry Planet"
28 posts
#2
Question
: "It seems most recommendations here are 10-50 years old"
16 posts
#3
WhatIsThatBook
: "Looking for old Scifi Novel"
9 posts
#4
Opinion
: "so i recently read live free or die by john ringo.....how did no one mention how racist this man is..."
7 posts
#5
Suggestion
: "Just finished The End of Eternity by Isaac Asimov."
6 posts
Member Growth in r/ScienceFictionBooks
Yearly
+12k members(71.2%)
Similar Subreddits to r/ScienceFictionBooks
r/ExtremeHorrorLit
97k members
36.2% / yr
r/Fantasy
3.9M members
2.8% / yr
r/KindleUnlimited
42k members
46.7% / yr
r/MysteryThrillerBooks
756 members
38.7% / yr
r/printSF
361k members
6.5% / yr
r/sciencefiction
312k members
13.9% / yr
r/ScienceFictionRomance
22k members
55.1% / yr
r/scifi_bookclub
20k members
23.0% / yr
r/thrillerbooks
86k members
294.2% / yr
r/YAlit
405k members
3.1% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/ScienceFictionBooks, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: July 21, 2026