KDP categories · Top KDP authors
Quality Control (Industrial, Manufacturing & Operational Systems, Books): Amazon KDP category data
Amazon Books Best Sellers data for Quality Control (Industrial, Manufacturing & Operational Systems, Books), updated Nov 2, 2026: median price $49.95, median 7 reviews, average rating 4.5 and a KDPTop opportunity score of 37/100 (highly competitive).
| Price range (middle 50%) | $28.30 – $88.36 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 19% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Industrial, Manufacturing & Operational Systems (392), one of the easier corners under it.
- At $49.95 its median price beats 96% of Books categories, leaving more margin per copy.
- 19% of its best sellers came out in the last 90 days, more than in 89% of Books categories: readers here keep buying new titles.
Top 10 Quality Control best sellers
-
Kobuk the Destroyer: And Other Tales from the Wild, Unseen World of Test Engineering
by Alex Davies
- List rank#1
- Price$29.85
- Rating4.5
- Reviews16
-
Six Sigma: A Complete Step-by-Step Guide: A Complete Training & Reference Guide for White Belts, Yellow Belts, Green Belts, and Black Belts
by The Council for Six Sigma Certification
- List rank#2
- Price$38.90
- Rating4.6
- Reviews720
-
The ASQ Certified Quality Engineer Handbook, Fifth Edition
by Scott A Laman
- List rank#3
- Price$124
- Rating4.5
- Reviews52
-
NFPA 72 National Fire Alarm and Signaling Code®, 2025
by NFPA
- List rank#4
- Price$181
- Rating4.6
- Reviews279
-
Clean Architecture: A Craftsman's Guide to Software Structure and Design
by Robert C. Martin
- List rank#5
- Price$15.79
- Rating4.6
- Reviews4,068
-
Lean Six Sigma: A Beginner’s Step-by-Step Guide to Implementing Six Sigma Methodology to an Enterprise and Manufacturing Process: Lean Guides for Scrum, Kanban, Sprint, DSDM XP & Crystal, Book 5
by Jeffrey Ries
- List rank#6
- Price$8.23
- Rating3.8
- Reviews42
-
Six Sigma Green Belt Audio Crash Course: Complete Review for the Certified Six Sigma Green Belt (CSSGB) Exam!
by AudioLearn Content Team
- List rank#7
- Price$15.80
- Rating5.0
- Reviews1
-
Fundamentals of Quality Control and Improvement
by Amitava Mitra
- List rank#8
- Price$138
- Rating4.3
- Reviews12
-
Inviting Disaster: Lessons From the Edge of Technology
by James R. Chiles
- List rank#9
- Price$12.19
- Rating4.4
- Reviews246
-
ISO 9001:2026 A Practical Guide to the New Standard: Understanding, Documenting, Implementing & Auditing
by Jay P. Patel
- List rank#10
- Price$9.99
- Reviews-
Same niche in Kindle eBooks: Quality Control
FAQ
Is Quality Control a good niche for Amazon KDP?
Its KDPTop opportunity score is 37/100, which makes it highly competitive. The median best seller has 7 reviews and sells for $49.95.
How many reviews do you need to rank in Quality Control?
The median best seller has 7 reviews, and 90% of them have fewer than 100.
What do Quality Control best sellers cost?
The median price is $49.95; half of the best sellers are priced between $28.30 and $88.36.
Can new books break into Quality Control?
19% 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.