KDP categories · Top KDP authors
Nephrology (Internal Medicine, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Nephrology (Internal Medicine, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 20 reviews, average rating 4.4 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 14% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 3% of the parent category Internal Medicine (776), one of the easier corners under it.
- Its review barrier is lower than in 72% of Kindle eBooks categories: the median best seller has only 20 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $3.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Nephrology best sellers
-
The Newly Diagnosed Stage 4 Kidney Disease Diet Cookbook for Seniors: 150+ Delicious Low Sodium, Low Potassium, and Low Phosphorus Recipes with Perfectly Portioned 30-Day Meal Plan
by Quinn Matthews
- List rank#1
- Price$14.99
- Rating4.7
- Reviews151
-
Stopping Kidney Disease Food Guide: A recipe, nutrition and meal planning guide to treat the factors driving the progression of incurable kidney disease (Stopping Kidney Disease™ Book 3)
by Lee Hull
- List rank#2
- Price$2.99
- Rating4.3
- Reviews2,751
-
The Easy Stage 3 Kidney Disease Diet Cookbook for Seniors: 120 Easy Recipes to Slow CKD Progression, Regain Control of Your Diet, and Finally Enjoy Food ... Health Cookbook Series for Seniors 5)
by Sarah Mitchell
- List rank#3
- Price$0.99
- Rating4.8
- Reviews8
-
PLANT-FORWARD DIET FOR CHRONIC KIDNEY DISEASE: A Nephrologist’s Proven Plan to Slow CKD Progression, Reduce Inflammation, Balance Potassium & Phosphorus, and Protect Kidney Function Naturally
by YAW BOATENG
- List rank#4
- Price$2.99
- Rating4.5
- Reviews54
-
The Easiest Stage 3 Kidney Disease Diet Cookbook for Seniors: 100+ Quick & Tasty Renal Recipes in Full Color to Support CKD and Boost Energy, To End Boredom & Bring Clarity | With 28-Day Meal Plan
by Henry Martin
- List rank#5
- Price$16.99
- Rating4.4
- Reviews191
-
Under Pressure: A Guide To Controlling High Blood Pressure
by Dr. Frita Fisher
- List rank#6
- Price$9.99
- Rating4.5
- Reviews352
-
Nephrology Handbook: A Beginner's Guide to Understanding the Kidneys and Renal System (Medical Handbook for Beginners)
by Edward B.A Collins
- List rank#7
- Price$9.99
- Rating5.0
- Reviews1
-
The Chronic Kidney Disease Solution to Reclaiming Your Health : A Comprehensive Guide to Protecting and Enhancing Kidney Function Naturally and Medically
by Emily J. Reynolds
- List rank#8
- Price$5.99
- Rating4.5
- Reviews24
-
UNDERSTANDING YOUR CHRONIC KIDNEY DISEASE DIAGNOSIS.: The Plain-English Guide to What Your eGFR and Creatinine Results Mean — What CKD Stages Actually Indicate, How to Slow Progression.
by Mills Check
- List rank#9
- Price$3
- Rating4.6
- Reviews9
-
The Easy and Tasty Stage 3 Kidney Disease Diet Cookbook for Seniors: Kidney-Friendly Meals Made Simple with a Renal Diet for Seniors to Manage CKD Through ... Meal Plan (Healthy Cookbooks For Seniors)
by Amber Hampton
- List rank#10
- Price$2.99
- Rating4.6
- Reviews160
FAQ
Is Nephrology a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 20 reviews and sells for $9.99.
How many reviews do you need to rank in Nephrology?
The median best seller has 20 reviews, and 81% of them have fewer than 100.
What do Nephrology best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.99 and $12.99.
Can new books break into Nephrology?
14% 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.