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David J Agans: Amazon KDP author data
As of Nov 6, 2026, David J Agans has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in Testing, Debugging, Information Management.
| Median price | $13.05 |
|---|---|
| Price range (middle 50%) | $12.89 – $13.22 |
| Median reviews | 297 |
| Total reviews | 594 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $13.05, 62% below the median of their main category, Testing.
David J Agans's best-ranked books
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Debugging: The 9 Indispensable Rules for Finding Even the Most Elusive Software and Hardware Problems
by David J Agans
- Price$13.39
- Rating4.6
- Reviews297
-
Debugging: The 9 Indispensable Rules for Finding Even the Most Elusive Software and Hardware Problems
by David J Agans
- Price$12.72
- Rating4.6
- Reviews297
- Published2002-09
Main categories
FAQ
How many books does David J Agans have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does David J Agans publish in?
Their books chart most often in Testing, Debugging, Information Management.
How does David J Agans price their books?
The median price is $13.05; half of the books cost $12.89–$13.22.
Has David J Agans released new books recently?
0 new books in the last 30 days.
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.