KDP categories · Top KDP authors
Gastroenterology (Veterinary Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Gastroenterology (Veterinary Medicine, Books), updated Nov 2, 2026: median price $18.99, median 4 reviews, average rating 4.4 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $13.99 – $23.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 0% |
| Books on the list | 36 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Veterinary Medicine (212), one of the easier corners under it.
- Only 0% of its best sellers are under 90 days old, fewer than in 99% of Books categories: established titles hold the list.
- Its review barrier is lower than in 92% of Books categories: the median best seller has only 4 reviews, so new books can chart with few.
Top 10 Gastroenterology best sellers
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![The Only Vet-Approved Homemade Dog Food Cookbook You’ll Ever Need [2 Books In 1]: 150+ Sim book cover by Charles Shepherd](https://images-na.ssl-images-amazon.com/images/I/71dneXvSqwL._AC_UL300_SR300,200_.jpg)
The Only Vet-Approved Homemade Dog Food Cookbook You’ll Ever Need [2 Books In 1]: 150+ Simple, Allergy-Friendly Recipes for All Sizes and Ages That ... Thousands on Vet Bills (Healthy Canine Books)
- List rank#1
- Price$25.99
- Rating4.4
- Reviews126
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Slow Cooker Dog Food Cookbook: The Ultimate Guide to Vet-Endorsed, Quick & Easy Homemade Recipes - Affordable, Nutritious Meals for Busy Owners, Ensuring Lifelong Health & Joy for Dogs of All Breeds
by Morgan J. Nichols
- List rank#2
- Price$18.99
- Rating4.3
- Reviews108
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Instant Pot Dog Food Cookbook: Simplify Your Routine and Elevate Your Dog’s Nutrition with Healthy Effortless Recipes
by Nora Howland
- List rank#3
- Price$16.82
- Rating4.5
- Reviews223
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VTNE Exam Mastery Guide: Pass at Your First Try! 1360 Q&A with Detailed Explanasion and Digital Flaschards (8 Full Tests)
by Alice Fraley
- List rank#4
- Price$23.99
- Rating3.9
- Reviews52
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Slow Cooker Dog Food Cookbook: 100+ Easy & Delicious Homemade Recipes for a Well-Balanced, Nutritious Canine Diet | Tips and Tricks for Transitioning Your Furry Friend to Wholesome Meals
by Irene Morales
- List rank#5
- Price$14.99
- Rating4.6
- Reviews46
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Homemade Healthy Dog Food Cookbook: 2 in 1 Guide with 150+ Fast, Easy, and Safe Meal and Treat Recipes for a Balanced Diet to Enhance your Pawed Partner's Longevity and Happiness
by Nora Howland
- List rank#6
- Price$14.99
- Rating4.4
- Reviews293
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The Easy Homemade Dog Food Cookbook for Adult & Senior Dogs: 100+ Simple, Vet-Approved, Allergy-Friendly Recipes to Boost Energy, Relieve Chronic ... Longer, Healthier Life (Healthy Canine Books)
- List rank#7
- Price$24.99
- Rating4.7
- Reviews4
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The Holistic Canine Herbal Bible: A Practical Guide to Herbal Healing for Common Ailments and Preventative Care, with Protocols to Promote Vitality, Longevity
by Richard John Langes
- List rank#8
- Price$19.87
- Rating4.6
- Reviews28
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Speaking for Spot: Be the Advocate Your Dog Needs to Live a Happy Healthy Longer Life
by Dr. Nancy Kay
- List rank#9
- Price$19.60
- Rating4.6
- Reviews124
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The IBD Dog Diet Guide: Easy Homemade Recipes and Nutrition Tips for Dogs with Sensitive Stomachs
by Melanie Smith
- List rank#10
- Price$19.99
- Reviews-
FAQ
Is Gastroenterology a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $18.99.
How many reviews do you need to rank in Gastroenterology?
The median best seller has 4 reviews, and 83% of them have fewer than 100.
What do Gastroenterology best sellers cost?
The median price is $18.99; half of the best sellers are priced between $13.99 and $23.99.
Can new books break into Gastroenterology?
0% 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.