KDP categories · Top KDP authors
Toxicology (Basic Sciences, Books): Amazon KDP category data
Amazon Books Best Sellers data for Toxicology (Basic Sciences, Books), updated Nov 2, 2026: median price $87.98, median 4 reviews, average rating 4.6 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $61.33 – $150 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Basic Sciences (180), one of the easier corners under it.
- At $87.98 its median price beats 99% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 90% of Books categories: the median best seller has only 4 reviews, so new books can chart with few.
Top 10 Toxicology best sellers
-
NURSING DRUG GUIDE: 1100+ Medications Organized by Risk, Flagship Drugs, Core Reference & Quick-Look Tables for NCLEX
- List rank#1
- Price$21.90
- Rating4.8
- Reviews53
-
The Sensitive Patient's Healing Guide: Top Experts Offer New Insights and Treatments for Environmental Toxins, Lyme Disease, and EMFs
by M.d. Nathan, Neil
- List rank#2
- Price$31.41
- Rating4.6
- Reviews131
-
NURSING DRUG GUIDE NEW EDITION: The Complete Nurse’s Handbook to Medications, Dosages, Side Effects, and Safe Administration for Clinical Practice and Exam Prep
by Morgan L. Whitaker
- List rank#3
- Price$28.98
- Rating3.8
- Reviews83
-
Goldfrank's Toxicologic Emergencies, Eleventh Edition
by Lewis S. Nelson
- List rank#4
- Price$242
- Rating4.9
- Reviews80
-
The Vaccine Mafia: Pfizer's Former Chief Toxicologist Proves How Toxic Substances Were Unlawfully Sold to Us as a Solution for COVID-19
by Helmut Sterz
- List rank#5
- Price$30.75
- Rating5.0
- Reviews11
-
Poisoning and Drug Overdose, Eighth Edition
by OLSON
- List rank#6
- Price$64.99
- Rating5.0
- Reviews26
-
Doubt is Their Product: How Industry's Assault on Science Threatens Your Health
by David Michaels
- List rank#7
- Price$25.44
- Rating4.2
- Reviews74
-
Nutraceuticals: Efficacy, Safety and Toxicity
by Ramesh C. Gupta PhD
- List rank#8
- Price$106
- Rating4.6
- Reviews5
-
Handbook of Cosmetic Science and Technology
by Frank Dreher
- List rank#9
- Price$194
- Rating4.5
- Reviews5
-
"Venomous" Bites from "Non-Venomous" Snakes
by Scott A Weinstein
- List rank#10
- Price$125
- Rating4.6
- Reviews12
FAQ
Is Toxicology a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $87.98.
How many reviews do you need to rank in Toxicology?
The median best seller has 4 reviews, and 95% of them have fewer than 100.
What do Toxicology best sellers cost?
The median price is $87.98; half of the best sellers are priced between $61.33 and $150.
Can new books break into Toxicology?
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.