KDP categories · Top KDP authors
Professional (Professional, Books): Amazon KDP category data
Amazon Books Best Sellers data for Professional (Professional, Books), updated Nov 2, 2026: median price $31.12, median 120 reviews, average rating 4.5 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $23.52 – $41.09 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 39% of the parent category Professional (309), one of the easier corners under it.
- At $31.12 its median price beats 90% of Books categories, leaving more margin per copy.
Top 10 Professional best sellers
-
Pilot's Handbook of Aeronautical Knowledge: FAA-H-8083-25C
by Federal Aviation Administration
- List rank#1
- Price$10.82
- Rating4.8
- Reviews700
-
A Guide to the Project Management Body of Knowledge (PMBOK® Guide) ― Eighth Edition and The Standard for Project Management
by Project Management Institute
- List rank#2
- Price$71.58
- Rating4.5
- Reviews308
-
Adult CCRN Exam Premium: Study Guide for the Latest Exam Blueprint, Includes 3 Practice Tests, Comprehensive Review, and Online Study Prep (Barron's Test Prep)
- List rank#3
- Price$39.36
- Rating4.8
- Reviews894
-
Airplane Flying Handbook: FAA-H-8083-3C (2026)
by Federal Aviation Administration
- List rank#4
- Price$15.90
- Rating4.7
- Reviews325
-
SIE Exam 2027/2028 For Dummies (Securities Industry Essentials Exam Prep + Practice Tests & Flashcards Online)
by Steven M. Rice
- List rank#5
- Price$23.88
- Rating4.3
- Reviews18
-
Adult CCRN Exam Premium, Fourth Edition: Study Guide for the Latest Exam Blueprint, Includes 3 Practice Tests, Comprehensive Review, and Online Study Prep (Barron's Test Prep)
- List rank#6
- Price$39.26
- Rating5.0
- Reviews1
-
PMP PMBOK 8: Project Management Professional Audio Study Guide (Includes Mock Exams, Flashcards & Companion Guide): Designed for Busy Professionals & First-Time Test-Takers
by Alex Parker
- List rank#7
- Price$17.99
- Rating4.5
- Reviews202
-
Remote Pilot FAA Part 107 Study Guide in Full-Color: The Complete UAG Test Prep with Full Practice Exams & Bonus Questions
by Bolton Prep
- List rank#8
- Price$22.99
- Rating4.6
- Reviews128
-
Master Lecture Series for the NCE, CPCE, CECE, and State Counseling Exams: The Updated and Expanded Vital Information and Review Questions Program
by Howard Rosenthal
- List rank#9
- Price$24.81
- Rating4.7
- Reviews158
-
CDL Study Guide 2025-2026: Your All-in-One Course, 2000+ Practice Questions + Online Platform + Full-Length Exams for All Classes + Proven Strategies
by Learnik Press
- List rank#10
- Price$14.63
- Rating4.6
- Reviews185
Same niche in Kindle eBooks: Professional
FAQ
Is Professional a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 120 reviews and sells for $31.12.
How many reviews do you need to rank in Professional?
The median best seller has 120 reviews, and 40% of them have fewer than 100.
What do Professional best sellers cost?
The median price is $31.12; half of the best sellers are priced between $23.52 and $41.09.
Can new books break into Professional?
10% 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.