KDP categories · Top KDP authors
Bas de Veer: Amazon KDP author data
As of Nov 6, 2026, Bas de Veer has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #7), mostly in Medical Informatics, Research, Medicine & Health Sciences.
| Median price | $34.99 |
|---|---|
| Price range (middle 50%) | $23.99 – $42.49 |
| Median reviews | - |
| Total reviews | 0 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $34.99, 30% below the median of their main category, Medical Informatics.
- 3 new listings in the last 30 days (new editions included), 3 of them broke into a Best Sellers list.
Bas de Veer's best-ranked books
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The REDCap Handbook: A Practical Guide for Researchers, Coordinators, and Administrators
by Bas de Veer
- Price$49.99
- Reviews-
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The REDCap Handbook: A Practical Guide for Researchers, Coordinators, and Administrators
by Bas de Veer
- Price$12.99
- Reviews-
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The REDCap Handbook: A Practical Guide for Researchers, Coordinators, and Administrators
by Bas de Veer
- Price$34.99
- Reviews-
Main categories
FAQ
How many books does Bas de Veer have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Bas de Veer publish in?
Their books chart most often in Medical Informatics, Research, Medicine & Health Sciences.
How does Bas de Veer price their books?
The median price is $34.99; half of the books cost $23.99–$42.49.
Has Bas de Veer released new books recently?
3 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.