Detective Mystery — KDP Niche Analysis

45
Opportunity
Fiction · Mystery
Detective Mystery
Moderate opportunity
Demand 42 Competition 72 Stable

The detective mystery Kindle niche scores 45/100 for opportunity — moderate opportunity. On BookTrendr's signals, demand sits at 42 and competition at 72. The current #1 book carries 7,626 reviews, and kindle editions average $10.24. Below you'll find the top 10 bestsellers, 7 ranked keywords (led by "detective mystery masters"), the review barrier, pricing, and where a new book could still find an angle.

Snapshot taken 22 September 2026 — Amazon data changes daily.
Sales
1,200/day
Sales to #1
2/day
Sales to #10
Review barrier
High
13,733 avg reviews · 4.4 ★ avg
Based on top 10 books.
Price
$10.24
Kindle avg
$18.75
Print avg
Based on top 10 books.
Market revenue
≈ $1,477,939
144,330 copies/mo
Estimated from top-10 BSR. Not actual Amazon sales data.
Top 10 bestsellers
Live from Amazon — cover, BSR, estimated daily sales, reviews, and price. Titles link to Amazon.

Est. sales/day are modelled from live BSR — a guide, not a guarantee. As an Amazon Associate we earn from qualifying purchases.

Keyword demand
Top search terms in this niche, with monthly volume and an opportunity score.
detective mystery masters
~1,271 searches/mo
Opp 68
detective mystery books
~374 searches/mo
Opp 59
detective mystery novels
~224 searches/mo
Opp 49
detective mystery
~224 searches/mo
Opp 49
detective mystery series
~37 searches/mo
Opp 40
detective mystery series books
~0 searches/mo
Opp 30
detective mystery and love read free
~0 searches/mo
Opp 25
FAQ — Detective Mystery KDP niche
Is Detective Mystery a good KDP niche?
It scores 45/100 on BookTrendr's opportunity model — moderate opportunity. Demand exists, but the leading books are well established, so entry is harder. Always read the full breakdown before committing.
How hard is it to rank in the detective mystery niche?
The review barrier is high — the top books average 13,733 reviews. Breaking in takes a strong launch and a focused sub-niche.
What do books in the detective mystery niche sell for?
Kindle editions in the top 10 average $10.24, with print around $18.75. Use that as a pricing benchmark for a new title.
How many sales does the top book make?
The #1 book is estimated at about 1,200 sales/day, modelled from its live Amazon BSR. It's a guide to the ceiling of the niche, not exact Amazon sales data.
Where does the data come from?
Live Amazon bestseller and keyword data captured on 22 September 2026. Rankings, prices, and reviews change daily, so treat the figures as a research-based snapshot. Run "detective mystery" in BookTrendr for a fresh, deeper analysis.

This is the short version

The page above is a snapshot. Run "Detective mystery" — or any Kindle topic — inside BookTrendr and you get the full picture, plus tools this preview can't show:

Start free with 20 credits →
No card required. 102 niches here are just examples — research any topic you like.
Related tools & guides

Opportunity score, BSR, and sales figures are modelled estimates from live Amazon and keyword data captured on the date shown. A guide, not a guarantee.