KDP categories · Top KDP authors
Mario D Caldararo: Amazon KDP author data
As of Nov 6, 2026, Mario D Caldararo has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #7), mostly in Test Preparation, Professional, Test Preparation & Review.
| Median price | $47.49 |
|---|---|
| Price range (middle 50%) | $36.24 – $58.74 |
| Median reviews | 1 |
| Total reviews | 2 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $47.49, 79% above the median of their main category, Test Preparation.
Mario D Caldararo's best-ranked books
-
Pathognomonic Signs of Disease
by Mario D Caldararo
- Price$24.99
- Rating5.0
- Reviews1
-
Pathognomonic Signs of Disease
by Mario D Caldararo
- Price$69.99
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does Mario D Caldararo have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Mario D Caldararo publish in?
Their books chart most often in Test Preparation, Professional, Test Preparation & Review.
How does Mario D Caldararo price their books?
The median price is $47.49; half of the books cost $36.24–$58.74.
Has Mario D Caldararo released new books recently?
2 new books in the last 30 days, 2 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.