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Roald van Wyk: Amazon KDP author data
As of Nov 6, 2026, Roald van Wyk has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in E-Commerce, Business & Money, Management Science.
| Median price | $15.99 |
|---|---|
| Price range (middle 50%) | $14.49 – $17.49 |
| Median reviews | 8 |
| Total reviews | 16 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
Roald van Wyk's best-ranked books
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Competing at Machine Speed: How the Agentic Era Enables Commerce to Become the Central Nervous System of the Modern Enterprise
by Roald van Wyk
- Price$12.99
- Rating4.7
- Reviews8
- Published2026-10
-
Competing at Machine Speed: How the Agentic Era Enables Commerce to Become the Central Nervous System of the Modern Enterprise
by Roald van Wyk
- Price$18.99
- Rating4.7
- Reviews8
- Published2026-10
Main categories
FAQ
How many books does Roald van Wyk have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Roald van Wyk publish in?
Their books chart most often in E-Commerce, Business & Money, Management Science.
How does Roald van Wyk price their books?
The median price is $15.99; half of the books cost $14.49–$17.49.
Has Roald van Wyk 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.