KDP categories · Top KDP authors
Certification, Training & Reference: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Certification, Training & Reference, updated Nov 3, 2026: median price $11.00, median 8 reviews, average rating 4.5 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $7.99 – $33 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 28% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 4% of the parent category Computers & Technology (238), one of the easier corners under it.
- 28% of its best sellers came out in the last 90 days, more than in 94% of Kindle eBooks categories: readers here keep buying new titles.
- At $11.00 its median price beats 92% of Kindle eBooks categories, leaving more margin per copy.
Top 10 Certification, Training & Reference best sellers
-
CompTIA Security+ SY0-701 Study Guide: The All in One Manual to Prepare for the Certification Exam – Includes Lab Simulators, 4 Full-Length Practice ... Trainer Pro (CompTIA Certification Series)
by Shawn Walker
- List rank#1
- Price$20.99
- Rating4.6
- Reviews173
-
101 Labs - CompTIA Linux+: Hands-on Practice Labs for the XK0-006 Exam
- List rank#2
- Price$19.99
- Reviews-
-
CompTIA Security+ Get Certified Get Ahead: SY0-701 Study Guide
by Joe Shelley
- List rank#3
- Price$9.99
- Rating4.6
- Reviews497
-
Data Analysis in Microsoft Excel: Deliver Awesome Analytics in 3 Easy Steps Using VLOOKUPS, Pivot Tables, Charts And More
by Alex Holloway
- List rank#4
- Price$6.99
- Rating4.4
- Reviews174
-
CompTIA® Security+® SY0-801 Certification Guide: Build essential cybersecurity skills and pass the SY0-801 exam on your first attempt
by Ian Neil
- List rank#5
- Price$34.19
- Rating5.0
- Reviews10
-
CompTIA A+ 220-1201 and 220-1202 Study Guide: The All-in-One Manual to Pass Core 1 & 2 with Confidence – Includes Labs, Practical Exercises, and the Exam AI Trainer Pro (CompTIA Certification Series)
by Shawn Walker
- List rank#6
- Price$20.99
- Rating4.5
- Reviews210
-
ISC2 CISSP Certified Information Systems Security Professional Official Practice Tests
by Mike Chapple
- List rank#7
- Price$35
- Rating4.7
- Reviews125
-
ISC2 CISSP Certified Information Systems Security Professional Official Study Guide (Sybex Study Guide)
by Mike Chapple
- List rank#8
- Price$59
- Rating4.6
- Reviews349
-
Kali Linux for Beginners, A step-by-step Guide to Ethical Hacking: Mastering Cybersecurity with Hands-On Exercises
by ETS Publishing
- List rank#9
- Price$7.99
- Rating4.1
- Reviews94
-
The Kubernetes Book
by Nigel Poulton
- List rank#10
- Price$9.99
- Rating4.5
- Reviews1,584
Same niche in Books: Certification
FAQ
Is Certification, Training & Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 8 reviews and sells for $11.00.
How many reviews do you need to rank in Certification, Training & Reference?
The median best seller has 8 reviews, and 77% of them have fewer than 100.
What do Certification, Training & Reference best sellers cost?
The median price is $11.00; half of the best sellers are priced between $7.99 and $33.
Can new books break into Certification, Training & Reference?
28% 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.