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Gastroenterology (Internal Medicine, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Gastroenterology (Internal Medicine, Kindle eBooks), updated Nov 2, 2026: median price $9.47, median 66 reviews, average rating 4.4 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $5.37 – $12.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 7% |
| Books on the list | 99 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 9% of the parent category Internal Medicine (776), one of the easier corners under it.
- Prices spread wide: the middle half runs from $5.37 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Gastroenterology best sellers
-
Love Your Gut: Supercharge Your Digestive Health and Transform Your Well-Being from the Inside Out
by Megan Rossi
- List rank#1
- Price$1.99
- Rating4.7
- Reviews311
-
You've Been Pooping All Wrong: How to Make Your Bowel Movements a Joy
by Trisha Pasricha MD MPH
- List rank#2
- Price$15.99
- Rating4.5
- Reviews375
-
A Surgeon's Dilemma: A Medical Thriller
- List rank#3
- Price$5.99
- Rating4.3
- Reviews843
-
Plant Powered Plus: Activate the Power of Your Gut to Tame Inflammation and Reclaim Your Health
- List rank#4
- Price$15.99
- Rating4.6
- Reviews435
-
The Fiber Fueled Cookbook: Inspiring Plant-Based Recipes to Turbocharge Your Health
- List rank#5
- Price$7.99
- Rating4.7
- Reviews2,760
-
Fiber Fueled: The Plant-Based Gut Health Program for Losing Weight, Restoring Your Health, andOptimizing Your Microbiome
- List rank#6
- Price$9.99
- Rating4.7
- Reviews7,303
-
The Complete Low-FODMAP Diet: A Revolutionary Recipe Plan to Relieve Gut Pain and Alleviate IBS and Other Digestive Disorders
by Peter Gibson
- List rank#7
- Price$11.69
- Rating4.4
- Reviews2,227
-
The Mind-Gut Connection: How the Hidden Conversation Within Our Bodies Impacts Our Mood, Our Choices, and Our Overall Health — A Health Guide
by Emeran Mayer
- List rank#8
- Price$10.99
- Rating4.5
- Reviews4,125
-
The Gastritis Healing Book: A Comprehensive Guide to Heal Gastritis and Restore Your Stomach Health
by L. G. Capellan
- List rank#9
- Price$9.99
- Rating4.6
- Reviews1,153
-
Gut: The Inside Story of Our Body's Most Underrated Organ – A New York Times Bestselling Guide to Digestive Health, the Microbiome, and Mental Well-Being
by Giulia Enders
- List rank#10
- Price$12.99
- Rating4.6
- Reviews1,537
FAQ
Is Gastroenterology a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 66 reviews and sells for $9.47.
How many reviews do you need to rank in Gastroenterology?
The median best seller has 66 reviews, and 56% of them have fewer than 100.
What do Gastroenterology best sellers cost?
The median price is $9.47; half of the best sellers are priced between $5.37 and $12.99.
Can new books break into Gastroenterology?
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.