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AI Book Discoverability Index · genre

Science fiction

4,769 citations · 494 distinct domains · Reddit cited 83× here · live index, updated continuously (11 Jun 2026)

The 10 sources AI cites most for science fiction

'Books' = how many distinct audited titles the source was cited for — every ranked domain must span at least two, so one book can never skew the list. Click a domain to see a real cited URL.

1en.wikipedia.org39651 bks
2goodreads.com34054 bks
3fivebooks.com33360 bks
4andrewliptak.com18358 bks
5panmacmillan.com17652 bks
6youtube.com17227 bks
7sffbookreview.wordpress.com14233 bks
8booksofbrilliance.com13843 bks
9medium.com11256 bks
10penguinrandomhouse.com11044 bks
Want the full 494-domain list for science fiction— plus your own book’s AI visibility score?Free check →£29.99 report

🔑 Niche kingmakers (outliers)

Domains that punch above their weight inside this genre but barely register globally — the hidden gatekeepers AI trusts here specifically.

andrewliptak.com183× hereacross 58 books#1 in genre · #57 global
sffbookreview.wordpress.com142× hereacross 33 books#2 in genre · #68 global
booksbonesbuffy.com100× hereacross 57 books#3 in genre · #132 global
billionhands.com62× hereacross 42 books#4 in genre · #195 global
marinet.bibliocommons.com49× hereacross 25 books#5 in genre · #212 global
hilobrow.com44× hereacross 29 books#6 in genre · #307 global

Other genres: Psychological thriller · Crime thriller · Cosy crime · Romance · Romantasy · Epic fantasy · Historical fiction · Young adult · full index →

Built from live citations across the four citation-transparent engines (ChatGPT, Claude, Gemini, Perplexity). A domain must be cited for at least two different audited books to rank; domains sourced ≥70% from one title are excluded. Book-level scores and the full domain list are part of the £29.99 report. Full detail: methodology.