The paranormal investigator niche sits at the profitable intersection of two high-velocity Beaten Track Mainstream categories: Mystery/Thriller (avg ~383 sales/day across top 20, power index 59.3) and Paranormal Romance (avg ~411 sales/day, power index 61.7, KU share 54%). Mystery-romance, suspense-romance, and thriller-romance keywords are all scoring 53–55 without oversaturation warnings, signalling steady crossover demand. Pure mystery and crime labels carry oversaturation flags, meaning undifferentiated titles struggle — but paranormal-flavoured mystery-romance hybrids face lower competition pressure. The window for a well-positioned PI series with romantic tension is open and moving at a steady pace rather than a frenzied spike.
7 ranked elements, 5 comp titles, 4 market gaps identified — unlock to see the full Map.
7 elements ranked by demand vs. supply…
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