KDP categories · Top KDP authors
Toxicology (Pharmacology, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Toxicology (Pharmacology, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 24 reviews, average rating 4.5 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $6.25 – $14.93 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 16% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 35% of the parent category Pharmacology (67), one of the easier corners under it.
- 16% of its best sellers came out in the last 90 days, more than in 78% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $6.25 to $14.93, so budget editions and premium or boxed sets sell side by side.
Top 10 Toxicology best sellers
-
The Radium Girls: The Dark Story of America's Shining Women (Bestselling Historical Nonfiction Gift for Men and Women)
by Kate Moore
- List rank#1
- Price$9.17
- Rating4.6
- Reviews24,726
-
The Poisoner's Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York
by Deborah Blum
- List rank#2
- Price$10.99
- Rating4.6
- Reviews2,359
-
Toxic, 2nd Edition: Heal Your Body from Mold Toxicity, Lyme Disease, Multiple Chemical Sensitivities, and Chronic Environmental Illness
by Neil Nathan
- List rank#3
- Price$12.99
- Rating4.7
- Reviews94
-
Toxic Legacy: How the Weedkiller Glyphosate Is Destroying Our Health and the Environment
by Stephanie Seneff
- List rank#4
- Price$15.99
- Rating4.9
- Reviews382
-
Methylene Blue Healing Bible: Uncover the Limitless Power of This Groundbreaking Molecule to Naturally Revitalize Your Body, Strengthen Immunity, and Pave the Way to Lifelong Vitality and Well-Being
by Elvira Lawson
- List rank#5
- Price$5.87
- Rating4.4
- Reviews113
-
The Elements of Disease: Full-Color Illustrated Edition
by Robert S. Waters MD
- List rank#6
- Price$29.95
- Rating4.4
- Reviews4
-
Break The Mold: 5 Tools to Conquer Mold and Take Back Your Health
by Dr. Jill Crista
- List rank#7
- Price$9.95
- Rating4.8
- Reviews669
-
Toxic Mold Healing Bible: A Step-by-Step Guide to Mold Toxicity, Lyme Disease, and Chronic Illness with Proven Protocols to Detox, Heal, and Restore Your Vitality
by Arden Harper
- List rank#8
- Price$9.99
- Rating4.0
- Reviews37
-
Approved: The Life Cycle of Drug Development
by Narendra Chirmule
- List rank#9
- Price$171
- Rating5.0
- Reviews1
-
Clinical Pharmacology Simplified: A Practical Guide to Drug Therapy, Pharmacokinetics, Pharmacodynamics, Drug Interactions, Safe Prescribing, and ... ... Practice (Doctor Clinical Series Book 21)
- List rank#10
- Price$12.99
- Reviews-
Same niche in Books: Toxicology
FAQ
Is Toxicology a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 24 reviews and sells for $9.99.
How many reviews do you need to rank in Toxicology?
The median best seller has 24 reviews, and 78% of them have fewer than 100.
What do Toxicology best sellers cost?
The median price is $9.99; half of the best sellers are priced between $6.25 and $14.93.
Can new books break into Toxicology?
16% 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.