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Parasitology (Infectious Disease, Books): Amazon KDP category data
Amazon Books Best Sellers data for Parasitology (Infectious Disease, Books), updated Nov 2, 2026: median price $19.98, median 27 reviews, average rating 4.4 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $14.99 – $42.08 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 11% of the parent category Infectious Disease (252), one of the easier corners under it.
- Prices spread wide: the middle half runs from $14.99 to $42.08, so budget editions and premium or boxed sets sell side by side.
Top 10 Parasitology best sellers
-
The Infectious Disease Colouring Book:: A Gruesome Colouring Therapy Adventure
by MR Nicholas Wright
- List rank#1
- Price$9.86
- Rating4.6
- Reviews415
-
The Complete Parasite Cleanse Bible: A Natural Detox Program to Eliminate Hidden Parasites, Heal Your Gut and Restore Health Fast—Includes a 60-Day Protocol, Herbal Remedies, and Long-Term Protection
by Elena Lorne
- List rank#2
- Price$18.97
- Rating4.6
- Reviews124
-
This Is Your Brain On Parasites: How Tiny Creatures Manipulate Our Behavior and Shape Society
by Kathleen McAuliffe
- List rank#3
- Price$12.91
- Rating4.4
- Reviews1,083
-
The Rife Frequency Manual: The Complete Guide to Dr. Royal Rife Frequencies, Rife Machines, Frequency Therapy, Healing Protocols, Spooky2, GB4000, and Wellness Applications
by Dr. Hanay Aubray
- List rank#4
- Price$14.99
- Rating3.8
- Reviews8
-
Protecting Your Pets from Parasites: A Holistic Guide to Fleas, Ticks & Heartworms
by Judy Morgan
- List rank#5
- Price$14.99
- Rating4.4
- Reviews72
-
Oxford Handbook of Tropical Medicine (Oxford Medical Handbooks)
by Robert Davidson
- List rank#6
- Price$46.68
- Rating4.5
- Reviews37
-
Cancer Is a Parasite, Not A Disease: What If Everything You've Been Told About Cancer Is a Lie?: Alternative Cancer Treatment and Parasite Cleanse Book
by Hugo Ball
- List rank#7
- Price$19.99
- Rating4.0
- Reviews10
-
Oxford Handbook of Infectious Diseases and Microbiology (Oxford Medical Handbooks)
by Ed Moran
- List rank#8
- Price$36.76
- Rating4.8
- Reviews48
-
Fenbendazole and Ivermectin: The Protocol Guide - Built on 7 Essential Pillars of Integrative Cancer Care
by Emily Dawn
- List rank#9
- Price$1.99
- Rating4.3
- Reviews8
-
Parasite Cleanse Simplified: All-in-One Guide to Naturally Fight Parasites and Restore Energy & Gut Health. Includes Safe, Easy-to-Follow Protocols, Dosage Charts and Family-Friendly Recipes | + APP
by Sebastian Greymont
- List rank#10
- Price$19.87
- Rating4.9
- Reviews48
FAQ
Is Parasitology a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 27 reviews and sells for $19.98.
How many reviews do you need to rank in Parasitology?
The median best seller has 27 reviews, and 81% of them have fewer than 100.
What do Parasitology best sellers cost?
The median price is $19.98; half of the best sellers are priced between $14.99 and $42.08.
Can new books break into Parasitology?
9% 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.