KDP categories · Top KDP authors
Reference (Law Practice, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Law Practice, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 28 reviews, average rating 4.6 and a KDPTop opportunity score of 19/100 (highly competitive).
| Price range (middle 50%) | $5.84 – $19.24 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 3% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Only 3% of its best sellers are under 90 days old, fewer than in 88% of Kindle eBooks categories: established titles hold the list.
- The same niche in Books scores 32, 13 points higher than here; worth checking both.
- Prices spread wide: the middle half runs from $5.84 to $19.24, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
Robert's Rules of Order Newly Revised In Brief, 3rd edition
- List rank#1
- Price$11.99
- Rating4.7
- Reviews4,761
-
Robert's Rules of Order Newly Revised, 12th edition
- List rank#2
- Price$24.99
- Rating4.8
- Reviews1,071
-
Black's Law Dictionary — First Edition eBook by Henry Campbell Black Year (1891): Law and Legal Reference (eBook) - 1263-Pages Total
by Henry Campbell Black
- List rank#3
- Price$2.99
- Rating4.8
- Reviews421
-
The Legal Analyst: A Toolkit for Thinking about the Law
- List rank#4
- Price$3.99
- Rating4.7
- Reviews325
-
Legal Writing in Plain English: A Text with Exercises (Chicago Guides to Writing, Editing, and Publishing)
- List rank#5
- Price$14.99
- Rating4.7
- Reviews914
-
So You Want to be a Lawyer: The Ultimate Guide to Getting into and Succeeding in Law School
by Lisa Fairchild Jones
- List rank#6
- Price$13.99
- Rating4.6
- Reviews256
-
Fireproof: A Five-Step Model to Take Your Law Firm from Unpredictable to Wildly Profitable
by Mike Morse
- List rank#7
- Price$9.99
- Rating4.8
- Reviews432
-
Everybody's Guide to the Law: All The Legal Information You Need in One Comprehensive Volume (Harperresource Book)
by Melvin M. Belli
- List rank#8
- Price$8.99
- Rating4.8
- Reviews16
-
Law 101: Everything You Need to Know About American Law, Fifth Edition
by Jay M. Feinman
- List rank#9
- Price$9.99
- Rating4.6
- Reviews878
-
How to Form a Nonprofit Corporation (National Edition): A Step-by-Step Guide to Forming a 501(c)(3) Nonprofit in Any State (How to Form Your Own Nonprofit Corporation)
by Anthony Mancuso
- List rank#10
- Price$28.99
- Rating4.7
- Reviews457
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 19/100, which makes it highly competitive. The median best seller has 28 reviews and sells for $9.99.
How many reviews do you need to rank in Reference?
The median best seller has 28 reviews, and 65% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.84 and $19.24.
Can new books break into Reference?
3% 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.