KDP categories · Top KDP authors
Cardiovascular (Diseases, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Cardiovascular (Diseases, Kindle eBooks), updated Nov 2, 2026: median price $7.99, median 4 reviews, average rating 4.4 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $9.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 20% |
| Books on the list | 99 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Diseases (368), one of the easier corners under it.
- Its review barrier is lower than in 90% of Kindle eBooks categories: the median best seller has only 4 reviews, so new books can chart with few.
- 20% of its best sellers came out in the last 90 days, more than in 87% of Kindle eBooks categories: readers here keep buying new titles.
Top 10 Cardiovascular best sellers
-
Tai Chi & Chair Yoga for Seniors Over 60: Prevent Falling and Start Living: 10-Minute Seated Flows to Rebuild Balance, Ease Joint Pain, and Regain Independence
by Susan M. Fletcher
- List rank#1
- Price$0.99
- Rating4.5
- Reviews27
-
EKG/ECG Interpretation: Everything you Need to Know about the 12 - Lead ECG/EKG Interpretation and How to Diagnose and Treat Arrhythmias: 2nd Edition
- List rank#2
- Price$12.99
- Rating4.5
- Reviews1,698
-
Fight AFib: The Complete Patient Guide to Understanding Your Diagnosis and Taking Back Your Life
by Yasser Rodriguez
- List rank#3
- Price$7.99
- Rating4.7
- Reviews47
-
Under Pressure: A Guide To Controlling High Blood Pressure
by Dr. Frita Fisher
- List rank#4
- Price$9.99
- Rating4.5
- Reviews352
-
The Miraculous Cure for and Prevention of Heart Disease The Evolutionary Breakthrough Doctors Never Learned About Reversing Calcification, Cholesterol, Hypertension — and Heart Failure
by Jeff T. Bowles
- List rank#5
- Price$4.99
- Rating4.5
- Reviews19
-
10 Steps to Reduce Your Blood Pressure: Simple Lifestyle Changes and Natural Remedies to Improve Your Health and Hypertension
by Dr. Millie Frantz
- List rank#6
- Price$4.99
- Rating4.2
- Reviews95
-
The 5 CH Lifestyle: Lower Your Cholesterol Without Medication, Reduce Your Risk of Heart Attack and Achieve Long-term Wellness
by Stephen Fenton
- List rank#7
- Price$9.99
- Rating4.6
- Reviews22
-
Hope After Stroke for Caregivers and Survivors: The Holistic Guide To Getting Your Life Back
by Tsgoyna Tanzman
- List rank#8
- Price$9.99
- Rating4.6
- Reviews355
-
Eat Meat And Stop Jogging: 'Common' Advice On How To Get Fit Is Keeping You Fat And Making You Sick
by Mike Sheridan
- List rank#9
- Price$0.99
- Rating4.3
- Reviews914
-
A Writer's Guide to Medicine: Volume 2: Illness & Injury
by Natalie Dale
- List rank#10
- Price$5.99
- Rating4.5
- Reviews36
FAQ
Is Cardiovascular a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $7.99.
How many reviews do you need to rank in Cardiovascular?
The median best seller has 4 reviews, and 87% of them have fewer than 100.
What do Cardiovascular best sellers cost?
The median price is $7.99; half of the best sellers are priced between $4.99 and $9.99.
Can new books break into Cardiovascular?
20% 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.