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Reference (Philosophy, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Philosophy, Kindle eBooks), updated Nov 3, 2026: median price $5.99, median 80 reviews, average rating 4.4 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $2.49 – $10.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 2% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 5% of the parent category Philosophy (1,665), one of the easier corners under it.
- Only 2% of its best sellers are under 90 days old, fewer than in 93% of Kindle eBooks categories: established titles hold the list.
- Prices spread wide: the middle half runs from $2.49 to $10.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
The Replublic: The Original Unabridged And Complete Edition (Plato Classics)
by Plato
- List rank#1
- Price$0.99
- Rating4.6
- Reviews2,750
-
Mastering Logical Fallacies: The Definitive Guide to Flawless Rhetoric and Bulletproof Logic
by Michael Withey
- List rank#2
- Price$2.99
- Rating4.2
- Reviews664
-
Plato and a Platypus Walk Into a Bar...: Understanding Philosophy Through Jokes
by Thomas Cathcart
- List rank#3
- Price$2.99
- Rating4.4
- Reviews1,878
-
Take Nothing Personally: How to Stop Reacting, Focus on Yourself, and Live With Ease
by Shubham Kumar Singh
- List rank#4
- Price$9.99
- Rating4.5
- Reviews124
-
Shop Class as Soulcraft: An Inquiry into the Value of Work
by Matthew B. Crawford
- List rank#5
- Price$7.99
- Rating4.3
- Reviews1,814
-
The Art of Living an Absurd Existence: Paradoxes and Thought Experiments That Change the Way You Think
by Robert Pantano
- List rank#6
- Price$4.99
- Rating4.5
- Reviews434
-
Philosophy and Great Thinkers - Philosophy Made Easy - A Beginner-Friendly 4-Book Box Set Journey Through 2,500 Years of Western Philosophy, From Socrates to the Modern World
by The Aether Library
- List rank#7
- Price$2.99
- Rating5.0
- Reviews2
-
The Philosophy Book (DK Big Ideas)
by Will Buckingham
- List rank#8
- Price$10.99
- Rating4.6
- Reviews4,059
-
Meditations
- List rank#9
- Price$0.99
- Rating4.6
- Reviews5,984
-
Ethics: The Essential Writings (Modern Library Classics)
by Gordon Marino
- List rank#10
- Price$8.99
- Rating4.4
- Reviews310
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 80 reviews and sells for $5.99.
How many reviews do you need to rank in Reference?
The median best seller has 80 reviews, and 54% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $5.99; half of the best sellers are priced between $2.49 and $10.99.
Can new books break into Reference?
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.