KDP categories · Top KDP authors
Alejandro Duarte: Amazon KDP author data
As of Nov 6, 2026, Alejandro Duarte has 5 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #2), mostly in Servers, Database Management Systems, Databases.
| Median price | $32.49 |
|---|---|
| Price range (middle 50%) | $28.74 – $36.24 |
| Median reviews | 6 |
| Total reviews | 25 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $32.49, 225% above the median of their main category, Servers.
Alejandro Duarte's best-ranked books
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SELECT to Ship: MariaDB for Application Developers
by Alejandro Duarte
- Price$39.99
- Reviews-
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SELECT to Ship: MariaDB for Application Developers
by Alejandro Duarte
- Price$24.99
- Reviews-
-
Vaadin 7 UI Design By Example: Beginner’s Guide: Beginner's Guide
by Alejandro Duarte
- Price-
- Rating4.4
- Reviews14
- Published2013-07
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Practical Vaadin: Developing Web Applications in Java
by Alejandro Duarte
- Price-
- Rating4.3
- Reviews6
- Published2021-08
-
Data-Centric Applications with Vaadin 8: Develop and maintain high-quality web applications using Vaadin
by Alejandro Duarte
- Price-
- Rating3.9
- Reviews5
- Published2018-04
Main categories
FAQ
How many books does Alejandro Duarte have on Amazon?
KDPTop tracks 5 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Alejandro Duarte publish in?
Their books chart most often in Servers, Database Management Systems, Databases.
How does Alejandro Duarte price their books?
The median price is $32.49; half of the books cost $28.74–$36.24.
Has Alejandro Duarte 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.