KDP categories · Top KDP authors
Ethics (Science & Math, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Ethics (Science & Math, Kindle eBooks), updated Nov 3, 2026: median price $9.99, median 21 reviews, average rating 4.5 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $6.99 – $14.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 21% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 2% of the parent category Science & Math (1,038), one of the easier corners under it.
- 21% of its best sellers came out in the last 90 days, more than in 88% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is lower than in 71% of Kindle eBooks categories: the median best seller has only 21 reviews, so new books can chart with few.
Top 10 Ethics best sellers
-
Scientific American September 2026
- List rank#1
- Price$6.99
- Rating4.8
- Reviews13
-
Why Fauci MUST Rot in Prison
- List rank#2
- Price$16.99
- Rating4.8
- Reviews32
-
Scientific American October 2026
- List rank#3
- Price$6.99
- Rating4.2
- Reviews7
-
A Devil's Chaplain: Reflections on Hope, Lies, Science, and Love
- List rank#4
- Price$2.99
- Rating4.5
- Reviews282
-
Scientific American June 2026
- List rank#5
- Price$6.99
- Rating4.4
- Reviews42
-
2084 and the AI Revolution, Updated and Expanded Edition: How Artificial Intelligence Informs Our Future
- List rank#6
- Price$19.99
- Rating4.8
- Reviews400
-
Scientific American November 2026
- List rank#7
- Price$6.99
- Reviews-
-
A LOAD OF BOLLOCKS?: THE TRILLION DOLLAR CLIMATE SCARE
by Anika Sweetland
- List rank#8
- Price$4.99
- Rating4.9
- Reviews11
-
Bad Medicine: How COVID Protocols Turned Hospitals into Death Traps
by Mikki Willis
- List rank#9
- Price$16.99
- Rating5.0
- Reviews2
-
The Real Anthony Fauci: Bill Gates, Big Pharma, and the Global War on Democracy and Public Health (Children’s Health Defense)
by Robert F. Kennedy Jr.
- List rank#10
- Price$14.99
- Rating4.8
- Reviews27,349
FAQ
Is Ethics a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 21 reviews and sells for $9.99.
How many reviews do you need to rank in Ethics?
The median best seller has 21 reviews, and 72% of them have fewer than 100.
What do Ethics best sellers cost?
The median price is $9.99; half of the best sellers are priced between $6.99 and $14.99.
Can new books break into Ethics?
21% 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.