KDP categories · Top KDP authors
Environmental Health: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Environmental Health, updated Nov 3, 2026: median price $9.99, median 2 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $3.25 – $14.39 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 17% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 0% of the parent category Medical eBooks (1,412), one of the easier corners under it.
- Its review barrier is lower than in 93% of Kindle eBooks categories: the median best seller has only 2 reviews, so new books can chart with few.
- 17% of its best sellers came out in the last 90 days, more than in 81% of Kindle eBooks categories: readers here keep buying new titles.
Top 10 Environmental Health best sellers
-
A Terrible Thing to Waste: Environmental Racism and Its Assault on the American Mind
by Harriet A. Washington
- List rank#1
- Price$2.99
- Rating4.8
- Reviews287
-
NADPH, Glutathione & the Pentose Phosphate Pathway: Oxidative Stress, Antioxidant Recycling & Organic Acids Interpretation
by Gail Clayton
- List rank#2
- Price$2.99
- Reviews-
-
In Defense of Sunlight: The Surprising Science of Sun Exposure
by Rowan Jacobsen
- List rank#3
- Price$14.99
- Rating4.5
- Reviews46
-
Change Your Environments: Redesign Your Life to Reclaim Your Health
by Dr. Eric Berg
- List rank#4
- Price$16.99
- Rating4.9
- Reviews63
-
The Sensitive Patient's Healing Guide: Top Experts Offer New Insights and Treatements for Environmental Toxins, Lyme Disease, and EMFs
by Neil Nathan
- List rank#5
- Price$19.99
- Rating4.6
- Reviews131
-
Wilderness Medicine Desk Reference: A Comprehensive Guide for Clinicians Working in Extreme Environments (Wilderness Medicine Series - Desk Reference, ... Field Guide, Backcountry Pharmacy Book 1)
by Casey Sears
- List rank#6
- Price$2.99
- Rating5.0
- Reviews4
-
The Elements of Disease: Full-Color Illustrated Edition
by Robert S. Waters MD
- List rank#7
- Price$29.95
- Rating4.4
- Reviews4
-
Wilderness Medicine Desk Reference Companion Field Guide: For Clinicians Working in Extreme Environments (Wilderness Medicine Series - Desk Reference, ... Field Guide, Backcountry Pharmacy Book 2)
by Casey Sears
- List rank#8
- Price$2.99
- Rating5.0
- Reviews1
-
THE BACKCOUNTRY PHARMACY: A Medication and Formulary Guide for Wilderness, Remote, and Expeditionary Care (Wilderness Medicine Series - Desk Reference, ... Field Guide, Backcountry Pharmacy Book 3)
by Casey Sears
- List rank#9
- Price$2.99
- Rating5.0
- Reviews1
-
Methylation Matters: A Functional Medicine Guide to Methylation, Energy, Hormones, Detoxification, and Healing
by Sheila Burgess
- List rank#10
- Price$5.99
- Rating5.0
- Reviews3
FAQ
Is Environmental Health a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 2 reviews and sells for $9.99.
How many reviews do you need to rank in Environmental Health?
The median best seller has 2 reviews, and 84% of them have fewer than 100.
What do Environmental Health best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.25 and $14.39.
Can new books break into Environmental Health?
17% 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.