KDP categories · Top KDP authors
Reference (Health, Fitness & Dieting, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Health, Fitness & Dieting, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 292 reviews, average rating 4.5 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $11.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 8% of the parent category Health, Fitness & Dieting (3,632), one of the easier corners under it.
- Its review barrier is higher than in 73% of Kindle eBooks categories: the median best seller has 292 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $3.99 to $11.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
1,500 Stretches: The Complete Guide to Flexibility and Movement
by Hollis Liebman
- List rank#1
- Price$1.99
- Rating4.7
- Reviews465
-
SAS Survival Handbook, Third Edition: The Ultimate Guide to Surviving Anywhere
- List rank#2
- Price$15.99
- Rating4.8
- Reviews8,377
-
Bodyweight Training & Calisthenics: The Progressive Bodyweight Workout Book For Beginners & Beyond (Weight training & resistance workouts)
- List rank#3
- Price$0.99
- Rating4.2
- Reviews478
-
A Year Without the Grocery Store: The Beginner’s Step-by-Step Guide to Deep Pantry Peace and Family Emergency Meal Preparedness (Are You Prepared, Mama?)
by Karen Morris
- List rank#4
- Price$5.99
- Rating4.4
- Reviews2,767
-
What to Eat
by Marion Nestle
- List rank#5
- Price$2.99
- Rating4.3
- Reviews351
-
Healing with DMSO: The Complete Guide to Safe and Natural Treatments for Managing Pain, Inflammation, and Other Chronic Ailments with Dimethyl Sulfoxide
by Amandha Vollmer
- List rank#6
- Price$12.99
- Rating4.7
- Reviews3,752
-
Ina May's Guide to Childbirth: Updated With New Material
by Ina May Gaskin
- List rank#7
- Price$9.99
- Rating4.7
- Reviews9,288
-
Fix Your Gut Transform Your Life: The 30-Day Protocol to Heal Leaky Gut, Eliminate Bloating, and Restore Energy with Simple, Gut-Friendly Recipes
by Lois Fordham
- List rank#8
- Price$0.52
- Rating4.3
- Reviews6
-
The Obesity Code: Unlocking the Secrets of Weight Loss (Why Intermittent Fasting Is the Key to Controlling Your Weight)
- List rank#9
- Price$9.99
- Rating4.6
- Reviews38,220
-
5-Ingredient Keto Cookbook: Easy Healthy Ketogenic Recipes For Two (5-Ingredient Cookbooks For Two)
- List rank#10
- Price$9.99
- Rating4.4
- Reviews197
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 292 reviews and sells for $9.99.
How many reviews do you need to rank in Reference?
The median best seller has 292 reviews, and 31% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.99 and $11.99.
Can new books break into Reference?
6% 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.