r/ScienceFictionBooks

32k members
r/ScienceFictionBooks is a subreddit with 32k members. The most common kinds of discussions are advice requests and self-promotion, and the community frequently discusses book, sci fi, specific book, sci fi book, and novel, 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
: "Lookin for megastructure sci-fi without much alien life in it"
31 posts
#2
Self-Promotion
: "My dystopian novel Cuerpos privados has just been submitted for the 2026 Hugo Awards – AMA about the process!"
4 posts
#3
Solution Requests
: "Request: books with reverse time travel. A character from the past or future end up in our current time."
1 post
#4
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

Book

: "New Megathread for free Books"
28 posts
#2

Sci Fi

: "Looking for a mind-bending, dark sci-fi or space opera"
27 posts
#3

Specific Book

12 posts
#4

Sci Fi Book

: "New Megathread for free books"
12 posts
#5

Novel

: "What lesser-known science fiction Novel is a personal favorite?"
11 posts
#6

Science Fiction

10 posts
#7

Books

: "Looking for a Sci-fi/Horror/Mystery novel or series"
8 posts
#8

Recommendations

: "Recommendations for planetary colonization stories?"
8 posts
#9

Looking For A Book

6 posts
#10

Book Recommendations

5 posts

Products Discussed in r/ScienceFictionBooks

#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
: "Looking for a mind-bending, dark sci-fi or space opera"
43 posts
#2
Question
: "What’s your GOAT🐐 science fiction novel?"
19 posts
#3
Opinion
: "so i recently read live free or die by john ringo.....how did no one mention how racist this man is..."
10 posts
#4
WhatIsThatBook
: "Looking for old Scifi Novel"
8 posts
#5
Suggestion
: "Just finished The End of Eternity by Isaac Asimov."
2 posts
#6
Solved
: "Children of Time"
1 post

Member Growth in r/ScienceFictionBooks

Yearly
+14k members(79.5%)

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Last updated: September 1, 2026