The adult Science Fiction category is a high-volume, competitive mainstream market (~449k titles, power index 49.6) with strong daily sales at the top but fierce saturation in the middle. The YA Sci-Fi & Fantasy node shows a notably higher STC ratio (1.42 vs 0.38 for adult SF), signalling that YA dystopian converts browsers to buyers at a premium rate — but also that supply is chasing demand hard. Keyword data shows sci-fi romance and sci-fi horror as the fastest-rising adjacent demand signals, while generic 'scifi books' and 'science fiction books' carry saturation warnings. The opportunity lies in adult dystopian fiction with romance threading and thriller pacing, which sits in a gap between the oversupplied YA rebellion lane and the undersupplied adult crossover lane.
7 ranked elements, 5 comp titles, 3 market gaps identified — unlock to see the full Map.
7 elements ranked by demand vs. supply…
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