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Free Will & Determinism (Philosophy, Books): Amazon KDP category data
Amazon Books Best Sellers data for Free Will & Determinism (Philosophy, Books), updated Nov 2, 2026: median price $12.97, median 327 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $10.99 – $16.33 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 8% of the parent category Philosophy (4,240), one of the easier corners under it.
- Its review barrier is higher than in 71% of Books categories: the median best seller has 327 reviews, so new books need time to build up.
Top 10 Free Will & Determinism best sellers
-
The Courage to Be Disliked: How to Free Yourself, Change Your Life, and Achieve Real Happiness
- List rank#1
- Price$14.95
- Rating4.5
- Reviews28,217
-
The Consolation of Philosophy (Penguin Classics)
by Anicius Boethius
- List rank#2
- Price$0.99
- Rating4.6
- Reviews737
-
The Courage to Be Happy: Discover the Power of Positive Psychology and Choose Happiness Every Day
- List rank#3
- Price$8.49
- Rating4.6
- Reviews3,443
-
Determined: A Science of Life Without Free Will
- List rank#4
- Price$19.59
- Rating4.6
- Reviews1,934
-
What Ultimately Is There?... And Other Foundational Questions
- List rank#5
- Price$9.95
- Reviews-
-
Fear and Trembling (Penguin Classics)
- List rank#6
- Price$14.02
- Rating4.6
- Reviews944
-
The Rebel: An Essay on Man in Revolt (Vintage International)
by Albert Camus
- List rank#7
- Price$15.95
- Rating4.7
- Reviews989
-
Existentialism Is a Humanism
by Jean-Paul Sartre
- List rank#8
- Price$11.14
- Rating4.6
- Reviews1,323
-
![Free Will [Deckle Edge] book cover by Sam Harris](https://images-na.ssl-images-amazon.com/images/I/81owPDCGqKL._AC_UL300_SR300,200_.jpg)
-
The Gay Science: With a Prelude in Rhymes and an Appendix of Songs (COLLECTIBLE)
- List rank#10
- Price$15
- Rating4.6
- Reviews620
Same niche in Kindle eBooks: Free Will & Determinism
FAQ
Is Free Will & Determinism a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 327 reviews and sells for $12.97.
How many reviews do you need to rank in Free Will & Determinism?
The median best seller has 327 reviews, and 21% of them have fewer than 100.
What do Free Will & Determinism best sellers cost?
The median price is $12.97; half of the best sellers are priced between $10.99 and $16.33.
Can new books break into Free Will & Determinism?
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.