KDP categories · Top KDP authors
Comparative (Perspectives on Law, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Comparative (Perspectives on Law, Kindle eBooks), updated Nov 1, 2026: median price $25.60, median 6 reviews, average rating 4.6 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $55.17 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 2% |
| Books on the list | 99 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 2% of the parent category Perspectives on Law (243), one of the easier corners under it.
- At $25.60 its median price beats 99% of Kindle eBooks categories, leaving more margin per copy.
- Only 2% of its best sellers are under 90 days old, fewer than in 89% of Kindle eBooks categories: established titles hold the list.
Top 10 Comparative best sellers
-
The Development of Child Protection Law and Policy: Children, Risk and Modernities (Studies in Citizenship, Human Rights and the Law)
by Kieran Walsh
- List rank#1
- Price$50.39
- Rating4.0
- Reviews1
-
The Civil Law Tradition: An Introduction to the Legal Systems of Europe and Latin America, Fourth Edition
by John Merryman
- List rank#2
- Price$18.08
- Rating4.6
- Reviews29
-
City, State: Constitutionalism and the Megacity (Oxford Comparative Constitutionalism)
by Ran Hirschl
- List rank#3
- Price$19.79
- Rating4.8
- Reviews7
-
The Legal System of the Netherlands (Legal Systems)
by Alain A. Levasseur
- List rank#4
- Price$22.50
- Reviews-
-
Administrative Law and Public-Private Partnerships: A Comparative Analysis of England and India
by Santanu Sabhapandit
- List rank#5
- Price$59.99
- Reviews-
-
On the Interpretation of Treaties: The Modern International Law as Expressed in the 1969 Vienna Convention on the Law of Treaties (Law and Philosophy Library Book 83)
by Ulf Linderfalk
- List rank#6
- Price$89.99
- Reviews-
-
Post Sovereign Constitution Making: Learning and Legitimacy (Oxford Constitutional Theory)
by Andrew Arato
- List rank#7
- Price$86.39
- Reviews-
-
William Blackstone's Commentaries on the Laws of England: Modernized and Condensed: Book I, II, III, and IV
by William Blackstone
- List rank#8
- Price$5.99
- Rating4.6
- Reviews3
-
Blockchain or Die: Learn to Profit from Cryptocurrencies and Blockchains
by Eric Guthrie
- List rank#9
- Price$0.99
- Rating4.5
- Reviews39
-
Islamic law and Governance: Theory and Practice: Dispelling Misunderstandings and Misapplications of Islamic Law and its System of Governance
by Hisham Ramadan
- List rank#10
- Price$0.99
- Rating4.7
- Reviews6
FAQ
Is Comparative a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 6 reviews and sells for $25.60.
How many reviews do you need to rank in Comparative?
The median best seller has 6 reviews, and 95% of them have fewer than 100.
What do Comparative best sellers cost?
The median price is $25.60; half of the best sellers are priced between $9.99 and $55.17.
Can new books break into Comparative?
2% 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.