KDP categories · Top KDP authors
Testing (Software Design, Testing & Engineering, Books): Amazon KDP category data
Amazon Books Best Sellers data for Testing (Software Design, Testing & Engineering, Books), updated Nov 3, 2026: median price $34.17, median 32 reviews, average rating 4.5 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $27.24 – $45.12 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 26% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Software Design, Testing & Engineering (441), one of the easier corners under it.
- 26% of its best sellers came out in the last 90 days, more than in 95% of Books categories: readers here keep buying new titles.
- At $34.17 its median price beats 91% of Books categories, leaving more margin per copy.
Top 10 Testing best sellers
-
Pragmatic Programmer, The: Your journey to mastery, 20th Anniversary Edition
by David Thomas
- List rank#1
- Price$3.99
- Rating4.8
- Reviews3,670
-
A Philosophy of Software Design, 2nd Edition
by John Ousterhout
- List rank#2
- Price$21.35
- Rating4.5
- Reviews2,889
-
Clean Code: A Handbook of Agile Software Craftsmanship (Robert C. Martin Series)
by Robert Martin
- List rank#3
- Price$3.99
- Rating4.5
- Reviews61
-
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#4
- Price$24.95
- Rating4.7
- Reviews544
-
-
Site Reliability Engineering: How Google Runs Production Systems
by Betsy Beyer
- List rank#6
- Price$68.12
- Rating5.0
- Reviews1
-
ISC2 CISSP Official Study Guide & Practice Tests Bundle (Sybex Study Guide)
by Mike Chapple
- List rank#7
- Price$58.84
- Rating4.7
- Reviews551
-
Evals for AI Engineers: Systematically Measuring and Improving AI Applications
by Shreya Shankar
- List rank#8
- Price$75.49
- Reviews-
-
Software Architecture: The Hard Parts: Modern Trade-Off Analyses for Distributed Architectures
by Neal Ford
- List rank#9
- Price$31.78
- Rating4.5
- Reviews748
-
Clean Code: A Handbook of Agile Software Craftsmanship
by Robert C. Martin
- List rank#10
- Price$22.87
- Rating4.7
- Reviews6,819
FAQ
Is Testing a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 32 reviews and sells for $34.17.
How many reviews do you need to rank in Testing?
The median best seller has 32 reviews, and 62% of them have fewer than 100.
What do Testing best sellers cost?
The median price is $34.17; half of the best sellers are priced between $27.24 and $45.12.
Can new books break into Testing?
26% 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.