KDP categories · Top KDP authors
The Product Shelf: Amazon KDP author data
As of Nov 6, 2026, The Product Shelf has 35 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #4), mostly in Web Programming, Web Services, Web Services & APIs.
| Median price | $11.90 |
|---|---|
| Price range (middle 50%) | $11.90 – $18.08 |
| Median reviews | 4 |
| Total reviews | 8 |
| New listings (30 days, incl. new editions) | 10 |
| Breakout books (30 days) | 6 |
What stands out
- Median price $11.90, 52% below the median of their main category, Web Programming.
- 10 new listings in the last 30 days (new editions included), 6 of them broke into a Best Sellers list.
The Product Shelf's best-ranked books
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Software Architecture for Product Managers: Understand how a digital product works from the inside without having to code
by The Product Shelf
- Price$19.13
- Reviews-
-
APIs for Product Managers: Understand APIs in a simple way and make better product decisions
by The Product Shelf
- Price$11.90
- Rating4.8
- Reviews7
-
Software Architecture for Product Managers: Understand how a digital product works from the inside without having to code
by The Product Shelf
- Price$11.90
- Reviews-
- Published2026-08
-
Logs, Kibana, and Observability for Product Managers: Investigate incidents, trace a transaction, and find out what really happened.
by The Product Shelf
- Price$17.73
- Reviews-
-
Product Metrics for Product Managers: North Star Metric, acquisition and activation metrics, retention, funnels, cohorts, conversion, engagement, guardrails and how to choose what to measure
by The Product Shelf
- Price$19.90
- Reviews-
-
Logs, Kibana, and Observability for Product Managers: Investigate incidents, trace a transaction, and find out what really happened.
by The Product Shelf
- Price$11.90
- Reviews-
- Published2026-08
-
SQL for Product Managers: Stop Waiting for Data to Answer Questions About Your Product
by The Product Shelf
- Price$0
- Rating3.0
- Reviews1
- Published2026-08
-
Product Manager Work Journal — Green Edition: Sprints · Decisiones · Métricas · Stakeholders · Product Thinking (Spanish Edition)
by The Product Shelf
- Price-
- Reviews-
- Published2026-08
-
Arquitectura de Software para Product Managers: Entiende cómo funciona un producto digital por dentro sin necesidad de programar (Spanish Edition)
by The Product Shelf
- Price$0
- Reviews-
- Published2026-08
-
Product Manager Work Journal — Navy Edition: Sprints · Decisiones · Métricas · Stakeholders · Product Thinking (Spanish Edition)
by The Product Shelf
- Price-
- Reviews-
- Published2026-08
Main categories
FAQ
How many books does The Product Shelf have on Amazon?
KDPTop tracks 35 of their books; 10 made an Amazon list in the last 30 days.
Which categories does The Product Shelf publish in?
Their books chart most often in Web Programming, Web Services, Web Services & APIs.
How does The Product Shelf price their books?
The median price is $11.90; half of the books cost $11.90–$18.08.
Has The Product Shelf released new books recently?
10 new books in the last 30 days, 6 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.