Sci-fi · Space Opera
Synthesis written by Claude based on the signals below.
4-axis radar
Axis breakdown
How we score →Demand
75Reader appetite minus title supply. High = hungry market, thin shelf.
Trend
7090-day momentum across Royal Road, Reddit, and NovelUpdates.
Revenue
36KU penetration, paperback price depth, audiobook arbitrage.
Channel
22Series friendliness and cross-channel readability.
Amazon KDP · coming soon
Top books in this niche
Kindle bestseller data already feeds this niche's revenue axis, but we only republish book listings once our Amazon Product Advertising API access is approved. Until then this section stays empty rather than showing placeholder titles.
Royal Road · Rising Stars
Top web-novel stories
Rising sub-hooks
What's accelerating inside Space Opera
Trend score per hook, from Royal Road tag routing. 0–100 scale.
How to read this page
Composite is the weighted geometric mean of four normalized axes: demand, trend, revenue, channel. Every signal traces back to a public source: Royal Road, Reddit, NovelUpdates, Audible, and Google Trends public pages. Amazon KDP listings will be republished once PA-API access is approved.