KDP categories · Top KDP authors
Research (Law Practice, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Research (Law Practice, Kindle eBooks), updated Nov 2, 2026: median price $13.78, median 5 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $4.87 – $55.19 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 22% of the parent category Law Practice (23), one of the easier corners under it.
- At $13.78 its median price beats 97% of Kindle eBooks categories, leaving more margin per copy.
- Its review barrier is lower than in 89% of Kindle eBooks categories: the median best seller has only 5 reviews, so new books can chart with few.
Top 10 Research best sellers
-
The Constitution of the United States of America: The Declaration of Independence, The Bill of Rights
- List rank#1
- Price$0.99
- Rating4.8
- Reviews15,122
-
Master Legal Writing in Use + Workbook + 100 Expert Email, Letter & Legal Memo Templates. Clear & Effective Legal Writing for Beginners & Law School ... Legal Writing, Vocabulary & Terminology 3)
by IDM Law
- List rank#2
- Price$2.99
- Rating4.5
- Reviews103
-
Scalia and Garner's Reading Law: The Interpretation of Legal Texts
by Antonin Scalia
- List rank#3
- Price$47.45
- Rating4.8
- Reviews466
-
Until I Pass: Advice on Retaking and Passing the Bar Exam
by Richard Nguyen Esq.
- List rank#4
- Price$0.99
- Rating4.8
- Reviews13
-
Legal Vocabulary And Terminology In Use: 2500+ Essential Legal Terms And Phrases Explained With Examples You Must Know For Legal Success. (Legal Success Secrets Book 1)
by Richard Hampton
- List rank#5
- Price$3.99
- Rating5.0
- Reviews1
-
Mastering Contract Law: Exploring Essential Terms, Conditions, and Key Elements For Successful Agreements with Ease. (legal vocabulary and terminology examples and explanations Book 4)
by Louis Coleman
- List rank#6
- Price$2.99
- Rating5.0
- Reviews2
-
Approaching the Bench from Inside the Immigration Court
by William K. Zimmer
- List rank#7
- Price$5.99
- Rating5.0
- Reviews3
-
Acceleration: What All Entrepreneurs Must Know about Startup Law
by Ryan Roberts
- List rank#8
- Price$9.99
- Rating4.6
- Reviews93
-
The Claude AI Method for Lawyers: 27 Proven Steps to Draft Twice as Fast and Stop Losing Billable Hours (Claude for Lawyers)
by Harvey Rhodes
- List rank#9
- Price$12
- Reviews-
-
Legal Research: a QuickStudy Laminated Reference Guide
by Debra Moss Curtis JD
- List rank#10
- Price$7.95
- Rating4.8
- Reviews180
Same niche in Books: Research
FAQ
Is Research a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $13.78.
How many reviews do you need to rank in Research?
The median best seller has 5 reviews, and 88% of them have fewer than 100.
What do Research best sellers cost?
The median price is $13.78; half of the best sellers are priced between $4.87 and $55.19.
Can new books break into Research?
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.