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.
🔑 Niche kingmakers (outliers)
Domains that punch above their weight inside this genre but barely register globally — the hidden gatekeepers AI trusts here specifically.
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.