KDP categories · Top KDP authors
Narendra Kumar: Amazon KDP author data
As of Nov 6, 2026, Narendra Kumar has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #10), mostly in Cardiology, Cardiovascular, Diseases.
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $12.99 – $12.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 4 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $12.99, 30% above the median of their main category, Cardiology.
- 4 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Narendra Kumar's best-ranked books
-
CLINICAL CARDIAC ELECTROPHYSIOLOGY: A Practical Guide from Cell to Catheter: The EP textbook that finally talks to you like a mentor, not a manual.
by Narendra Kumar
- Price$12.99
- Reviews-
-
CLINICAL ECHOCARDIOGRAPHY: A Practical Textbook for the Clinician: Echocardiography handbook with tips and tricks
by Narendra Kumar
- Price$12.99
- Reviews-
-
2027 The Secret of Healthy Living Beyond 100 Years: The Science, the Evidence and the Practice of a Long and Independent Life
by Narendra Kumar
- Price$12.99
- Reviews-
-
CLINICAL ELECTROCARDIOGRAPHY - A Practical Textbook for Students and Practitioners: Clinical ECG / EKG for Nurses and Doctors
by Narendra Kumar
- Price$12.99
- Reviews-
Main categories
FAQ
How many books does Narendra Kumar have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Narendra Kumar publish in?
Their books chart most often in Cardiology, Cardiovascular, Diseases.
How does Narendra Kumar price their books?
The median price is $12.99; half of the books cost $12.99–$12.99.
Has Narendra Kumar released new books recently?
4 new books in the last 30 days, 3 of which reached a Best Sellers list.
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.