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Parasitology (Infectious Disease, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Parasitology (Infectious Disease, Kindle eBooks), updated Nov 2, 2026: median price $6.04, median 5 reviews, average rating 4.3 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $3.73 – $9.99 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 2% of the parent category Infectious Disease (299), one of the easier corners under it.
- Its review barrier is lower than in 89% of Kindle eBooks categories: the median best seller has only 5 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $3.73 to $9.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Parasitology best sellers
-
The 7 Day Complete Parasite Cleanse Guide for Humans and Dogs : Safe, Natural Remedies for the Whole Family
by Emerson Taylor
- List rank#1
- Price$0.99
- Rating4.7
- Reviews10
-
Fenbendazole and Ivermectin: The Protocol Guide - Built on 7 Essential Pillars of Integrative Cancer Care
by Emily Dawn
- List rank#2
- Price$1.99
- Rating4.3
- Reviews8
-
Dr. Ben Carson Parasite Cleanse: A Complete Guide to Understanding Parasites, Supporting Gut Health, Strengthening Immunity, and Promoting Natural Digestive Wellness
by Krzysztof Fiala
- List rank#3
- Price$2.99
- Rating5.0
- Reviews1
-
Dr. Ardis Parasite Cleanse: How to Remove and Eliminate Parasites Naturally Which are the Hidden Cause of Cancer, Autoimmune and Other Chronic Diseases
by Ksawery Rzepecki
- List rank#4
- Price$3.99
- Rating1.0
- Reviews1
-
Immunology and Infectious Disease Evolution: Immune Recognition, Pathogen Adaptation, and Evolutionary Dynamics
by Wallace Riggio
- List rank#5
- Price$9.99
- Reviews-
-
This Is Your Brain On Parasites: How Tiny Creatures Manipulate Our Behavior and Shape Society
by Kathleen McAuliffe
- List rank#6
- Price$3.99
- Rating4.4
- Reviews1,083
-
Foods That Kill Parasites in Humans: A 100% Vegan Guide Backed by Science and Dr. Michael Greger
by Bongani Mthombeni
- List rank#7
- Price$7.19
- Rating4.6
- Reviews12
-
Parasite Cleanse Breakthrough: Natural Protocols to Flush Intestinal Parasites, Reset Gut Health, Fight Fatigue, and Promote a Full Body Detox for Lifelong Wellness
by Parker Paynter
- List rank#8
- Price$4.99
- Rating4.8
- Reviews20
-
THE PARASITE CLEANSE GUIDE: A Natural 30-Day Protocol to Reduce Hidden Parasites and Rebuild a Healthier Gut
by Mira Sages
- List rank#9
- Price$9.99
- Rating4.9
- Reviews10
-
Scabies Natural Home Treatment Solution
by Alyson Rodgers
- List rank#10
- Price$9.99
- Rating3.8
- Reviews77
FAQ
Is Parasitology a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $6.04.
How many reviews do you need to rank in Parasitology?
The median best seller has 5 reviews, and 90% of them have fewer than 100.
What do Parasitology best sellers cost?
The median price is $6.04; half of the best sellers are priced between $3.73 and $9.99.
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.