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Epistemology (New, Used & Rental Textbooks › Philosophy, Books): Amazon KDP category data
Amazon Books Best Sellers data for Epistemology (New, Used & Rental Textbooks › Philosophy, Books), updated Nov 3, 2026: median price $36.82, median 14 reviews, average rating 4.6 and a KDPTop opportunity score of 38/100 (highly competitive).
| Price range (middle 50%) | $24.74 – $48.12 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Philosophy (351), one of the easier corners under it.
- At $36.82 its median price beats 92% of Books categories, leaving more margin per copy.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Epistemology best sellers
-
An Enquiry Concerning Human Understanding: with Hume's Abstract of A Treatise of Human Nature and A Letter from a Gentleman to His Friend in Edinburgh (Hackett Classics)
by David Hume
- List rank#1
- Price$12
- Rating4.6
- Reviews488
-
The Black Swan: The Impact of the Highly Improbable
- List rank#2
- Price$12.99
- Rating4.3
- Reviews956
-
Kant: Critique of Pure Reason (The Cambridge Edition of the Works of Immanuel Kant)
by Paul Guyer
- List rank#3
- Price$48.30
- Rating3.7
- Reviews12
-
Steps to an Ecology of Mind: Collected Essays in Anthropology, Psychiatry, Evolution, and Epistemology
by Gregory Bateson
- List rank#4
- Price$23.49
- Rating4.7
- Reviews223
-
Knowledge: A Very Short Introduction
by Jennifer Nagel
- List rank#5
- Price$12.11
- Rating4.5
- Reviews508
-
-
Kant: A Very Short Introduction
by Roger Scruton
- List rank#7
- Price$11.48
- Rating4.4
- Reviews472
-
An Essay Concerning Human Understanding (Hackett Classics)
by John Locke
- List rank#8
- Price$14
- Rating4.6
- Reviews169
-
Truth and Method (Bloomsbury Revelations)
by Hans-Georg Gadamer
- List rank#9
- Price$39.30
- Rating4.4
- Reviews136
-
An Enquiry concerning Human Understanding (Oxford World's Classics)
by David Hume
- List rank#10
- Price$16.95
- Rating4.7
- Reviews242
FAQ
Is Epistemology a good niche for Amazon KDP?
Its KDPTop opportunity score is 38/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $36.82.
How many reviews do you need to rank in Epistemology?
The median best seller has 14 reviews, and 79% of them have fewer than 100.
What do Epistemology best sellers cost?
The median price is $36.82; half of the best sellers are priced between $24.74 and $48.12.
Can new books break into Epistemology?
4% 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.