KDP categories · Top KDP authors
Quality Control (Software Design, Testing & Engineering, Books): Amazon KDP category data
Amazon Books Best Sellers data for Quality Control (Software Design, Testing & Engineering, Books), updated Nov 2, 2026: median price $22.99, median 1 reviews, average rating 4.5 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $16.49 – $29.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 21% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Software Design, Testing & Engineering (441), one of the easier corners under it.
- Its review barrier is lower than in 99% of Books categories: the median best seller has only 1 reviews, so new books can chart with few.
- 21% of its best sellers came out in the last 90 days, more than in 91% of Books categories: readers here keep buying new titles.
Top 10 Quality Control best sellers
-
The Agentic AI Bible: The Complete and Up-to-Date Guide to Design, Develop, and Scale Goal-Driven, LLM-Powered Agents that Think, Execute and Evolve
- List rank#1
- Price$24.95
- Rating4.7
- Reviews544
-
Clean Architecture: A Craftsman's Guide to Software Structure and Design (Robert C. Martin Series)
by Robert C. Martin
- List rank#2
- Price$3.99
- Rating4.6
- Reviews4,068
-
Working in Public: The Making and Maintenance of Open Source Software
by Nadia Asparouhova
- List rank#3
- Price$17.43
- Rating4.5
- Reviews416
-
MASTERING GitLab CI/CD: A Practical, End-to-End Guide to Modern DevOps Pipelines
by Debashish Mohapatra
- List rank#4
- Price$10.50
- Reviews-
-
Git & GitHub Visual Guide: The Hands-On Manual for Complete Beginners to Master Version Control and Remote Coding Collaboration (Digital Skill Development Series by D-Libro (2025))
by Ben Bloomfield
- List rank#5
- Price$36.25
- Rating4.7
- Reviews21
-
Hacking the System Design Interview: Real Big Tech Interview Questions and In-depth Solutions
by Stanley Chiang
- List rank#6
- Price$26.99
- Rating4.4
- Reviews218
-
Testing AI: Engineering Confidence in Non-Deterministic Systems
by Jason Arbon
- List rank#7
- Price$39.99
- Rating4.8
- Reviews7
-
LLM Evaluation & Reliability Engineering: A Gentle Guide to Evals, Observability, and AgentOps for Developers Running AI Agents in Production
by Omar Kamal Hosney
- List rank#8
- Price$29.99
- Reviews-
-
A Better Prompt Is Not Enough: AI fails in surprising ways. The guardrails your operation needs before serious projects go wrong.
by Daniel F Parmeggiani
- List rank#9
- Price$19.95
- Rating5.0
- Reviews3
-
Lean TDD: TDD Without the Waste
by Brian Okken
- List rank#10
- Price$19.80
- Rating5.0
- Reviews2
FAQ
Is Quality Control a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 1 reviews and sells for $22.99.
How many reviews do you need to rank in Quality Control?
The median best seller has 1 reviews, and 97% of them have fewer than 100.
What do Quality Control best sellers cost?
The median price is $22.99; half of the best sellers are priced between $16.49 and $29.99.
Can new books break into Quality Control?
21% of the current best sellers were released in the last 90 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.