KDP categories · Top KDP authors
Cardiovascular (Diseases, Books): Amazon KDP category data
Amazon Books Best Sellers data for Cardiovascular (Diseases, Books), updated Nov 2, 2026: median price $40.76, median 82 reviews, average rating 4.6 and a KDPTop opportunity score of 37/100 (highly competitive).
| Price range (middle 50%) | $17.10 – $65.10 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 5% of the parent category Diseases (1,499), one of the easier corners under it.
- At $40.76 its median price beats 94% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $17.10 to $65.10, so budget editions and premium or boxed sets sell side by side.
Top 10 Cardiovascular best sellers
-
Livingood Daily: Your 21-Day Guide to Experience Real Health
by Dr. Livingood
- List rank#1
- Price$11.62
- Rating4.4
- Reviews8,053
-
EKG | ECG Interpretation Made Easy: An Illustrated Study Guide For Students To Easily Learn How To Read & Interpret ECG Strips
by NEDU
- List rank#2
- Price$10.95
- Rating4.5
- Reviews3,661
-
Rapid Interpretation of EKG's, Sixth Edition
by Dale Dubin
- List rank#3
- Price$59.89
- Rating4.8
- Reviews4,969
-
The Great Cholesterol Myth, Revised and Expanded: Why Lowering Your Cholesterol Won't Prevent Heart Disease--and the Statin-Free Plan that Will - National Bestseller
by Jonny Bowden
- List rank#4
- Price$16
- Rating4.7
- Reviews2,125
-
EKGs / ECGs: a QuickStudy Laminated Reference Guide
by Lisa Farach
- List rank#5
- Price$9.27
- Rating4.6
- Reviews4,927
-
Blood Pressure Log Book: Simple Daily Blood Pressure Log | Record & Monitor Blood Pressure at Home | 110 Pages (6" x 9" Inches)
by Eden Paul
- List rank#6
- Price$8.99
- Rating4.7
- Reviews1,499
-
The Simple Heart Cure: The 90-Day Program to Stop and Reverse Heart Disease REVISED & UPDATED 2ND EDITION
by Chauncey Crandall
- List rank#7
- Price$11.61
- Rating4.5
- Reviews1,130
-
Understanding AFib: Think Clearly About AFib. Make Confident Treatment Decisions
by Scott Lee MD
- List rank#8
- Price$19.95
- Rating4.6
- Reviews49
-
Pathophysiology of Heart Disease: An Introduction to Cardiovascular Medicine
by Leonard S. Lilly MD
- List rank#9
- Price$58.85
- Rating4.9
- Reviews20
-
Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascular Disease
by Thomas Cowan
- List rank#10
- Price$17.22
- Rating4.6
- Reviews707
FAQ
Is Cardiovascular a good niche for Amazon KDP?
Its KDPTop opportunity score is 37/100, which makes it highly competitive. The median best seller has 82 reviews and sells for $40.76.
How many reviews do you need to rank in Cardiovascular?
The median best seller has 82 reviews, and 54% of them have fewer than 100.
What do Cardiovascular best sellers cost?
The median price is $40.76; half of the best sellers are priced between $17.10 and $65.10.
Can new books break into Cardiovascular?
8% 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.