KDP categories · Top KDP authors
Pollution: Amazon KDP category data
Amazon Books Best Sellers data for Pollution, updated Nov 2, 2026: median price $27.99, median 23 reviews, average rating 4.6 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $17.33 – $36.29 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Environmental (310), one of the easier corners under it.
- At $27.99 its median price beats 87% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 71% of Books categories: the median best seller has only 23 reviews, so new books can chart with few.
Top 10 Pollution best sellers
-
The Humanure Handbook, 4th Edition: Shit in a Nutshell
by Joseph C. Jenkins
- List rank#1
- Price$23.30
- Rating4.8
- Reviews548
-
EPA 608 Study Guide: Get Ready to Legally Work on HVAC/R Systems with the 28-Day Field-Proven Retention Protocol. Leave Stress Behind and Build Confidence, Even If You Hate Tests or Have No Time.
by Summit SG
- List rank#2
- Price$31.85
- Rating4.2
- Reviews338
-
The Age of Microbes: A Blueprint for a Habitable Earth
by Steven D. Allison
- List rank#3
- Price$28.95
- Reviews-
-
Inconspicuous Consumption: The Environmental Impact You Don't Know You Have
by Tatiana Schlossberg
- List rank#4
- Price$11.97
- Rating4.4
- Reviews215
-
Silent Spring
- List rank#5
- Price$17.89
- Rating4.6
- Reviews4,029
-
Food for Life: The Sunday Times bestseller on nutrition and gut health, as seen on Channel 4's What Not to Eat
by Tim Spector
- List rank#6
- Price$16.89
- Rating4.5
- Reviews138
-
The Great Plant-Based Con: Why eating a plants-only diet won't improve your health or save the planet
by Jayne Buxton
- List rank#7
- Price$1.99
- Rating4.6
- Reviews417
-
The Compost Toilet Handbook
by Joseph C. Jenkins
- List rank#8
- Price$30.18
- Rating4.8
- Reviews54
-
The Problem with Plastic: How We Can Save Ourselves and Our Planet Before It’s Too Late
by Judith Enck
- List rank#9
- Price$20.81
- Rating4.5
- Reviews70
-
Fire on the Horizon: The Untold Story of the Explosion Aboard the Deepwater Horizon
by Tom Shroder
- List rank#10
- Price$20.39
- Rating4.5
- Reviews498
FAQ
Is Pollution a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 23 reviews and sells for $27.99.
How many reviews do you need to rank in Pollution?
The median best seller has 23 reviews, and 81% of them have fewer than 100.
What do Pollution best sellers cost?
The median price is $27.99; half of the best sellers are priced between $17.33 and $36.29.
Can new books break into Pollution?
6% 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.