KDP categories · Top KDP authors
Law Enforcement (Criminal Law, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Law Enforcement (Criminal Law, Kindle eBooks), updated Nov 2, 2026: median price $6.91, median 396 reviews, average rating 4.4 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $10.35 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 45% of the parent category Criminal Law (880), one of the easier corners under it.
- Its review barrier is higher than in 78% of Kindle eBooks categories: the median best seller has 396 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $3.99 to $10.35, so budget editions and premium or boxed sets sell side by side.
Top 10 Law Enforcement best sellers
-
Mindhunter: Inside the FBI's Elite Serial Crime Unit
by John Douglas
- List rank#1
- Price$2.99
- Rating4.6
- Reviews17,048
-
Dark Wire: The Incredible True Story of the Largest Sting Operation Ever
by Joseph Cox
- List rank#2
- Price$1.99
- Rating4.4
- Reviews880
-
On Killing: The Psychological Cost of Learning to Kill in War and Society
by Dave Grossman
- List rank#3
- Price$9.96
- Rating4.6
- Reviews3,929
-
Hunting Eichmann: How a Band of Survivors and a Young Spy Agency Chased Down the World's Most Notorious Nazi
by Neal Bascomb
- List rank#4
- Price$10.13
- Rating4.6
- Reviews1,945
-
The Innocent Man: Murder and Injustice in a Small Town
by John Grisham
- List rank#5
- Price$8.99
- Rating4.3
- Reviews14,893
-
Bind, Torture, Kill: The Inside Story of BTK, the Serial Killer Next Door
by Roy Wenzl
- List rank#6
- Price$6.83
- Rating4.4
- Reviews2,936
-
Down, Out &Under Arrest: Policing and Everyday Life in Skid Row
by Forrest Stuart
- List rank#7
- Price$3.99
- Rating4.3
- Reviews67
-
Red Barn: The addictive new small town mystery thriller (Ruth Baker Thrillers Book 1)
by Sam Baron
- List rank#8
- Price$4.99
- Rating4.1
- Reviews1,355
-
Inside the Mind of BTK: The True Story Behind the Thirty-Year Hunt for the Notorious Wichita Serial Killer
by John Douglas
- List rank#9
- Price$11.99
- Rating4.4
- Reviews1,522
-
Stories From A Vegas Street Cop
by Chuck Callaway
- List rank#10
- Price$5.99
- Rating3.3
- Reviews21
Same niche in Books: Law Enforcement
FAQ
Is Law Enforcement a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 396 reviews and sells for $6.91.
How many reviews do you need to rank in Law Enforcement?
The median best seller has 396 reviews, and 28% of them have fewer than 100.
What do Law Enforcement best sellers cost?
The median price is $6.91; half of the best sellers are priced between $3.99 and $10.35.
Can new books break into Law Enforcement?
7% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.