KDP categories · Top KDP authors
Professional (Test Preparation, Books): Amazon KDP category data
Amazon Books Best Sellers data for Professional (Test Preparation, Books), updated Nov 3, 2026: median price $32.99, median 309 reviews, average rating 4.6 and a KDPTop opportunity score of 39/100 (highly competitive).
| Price range (middle 50%) | $24.99 – $46.70 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- At $32.99 its median price beats 90% of Books categories, leaving more margin per copy.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Professional best sellers
-
2026/2027 ASVAB For Dummies: Book + 7 Practice Tests, Flashcards, and Videos Online
- List rank#1
- Price$24.19
- Rating4.7
- Reviews309
-
ATI TEAS Secrets Study Guide: TEAS 7 Prep Book, Six Full-Length Practice Tests (1,000+ Questions), Step-by-Step Video Tutorials: [Updated for the 7th Edition]
- List rank#2
- Price$26.49
- Rating4.7
- Reviews5,989
-
Pilot's Handbook of Aeronautical Knowledge: FAA-H-8083-25C
by Federal Aviation Administration
- List rank#3
- 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#4
- Price$71.58
- Rating4.5
- Reviews308
-
Saunders Comprehensive Review for the NCLEX-RN® Examination
by Linda Anne Silvestri PhD RN ANEF FAAN
- List rank#5
- Price$44.97
- Rating4.8
- Reviews4,855
-
MCAT Complete 7-Book Subject Review 2027–2028 | Biggest Update Ever: 500+ New Images & All-New CARS Book | 3 Practice Tests (Kaplan Test Prep)
- List rank#6
- Price$198
- Rating4.7
- Reviews238
-
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#7
- Price$39.36
- Rating4.8
- Reviews894
-
PMP Exam Prep Simplified: Covers the Current PMP Exam and Includes a 35 Hours of Project Management E-Learning Course
by Andrew Ramdayal
- List rank#8
- Price$46.70
- Rating4.5
- Reviews2,921
-
ACT® Test Prep: The Complete and Up-to-Date Prep Book to Master the ACT® Exam. Step-by-Step Explanations, Test-Day Tips, and Full-Length Practice Tests
by Benton Learning
- List rank#9
- Price$28.58
- Rating4.6
- Reviews702
-
Admission Assessment Exam Review
by HESI
- List rank#10
- Price$43.68
- Rating4.6
- Reviews328
Subcategories
Same niche in Kindle eBooks: Graduate & Professional
FAQ
Is Professional a good niche for Amazon KDP?
Its KDPTop opportunity score is 39/100, which makes it highly competitive. The median best seller has 309 reviews and sells for $32.99.
How many reviews do you need to rank in Professional?
The median best seller has 309 reviews, and 25% of them have fewer than 100.
What do Professional best sellers cost?
The median price is $32.99; half of the best sellers are priced between $24.99 and $46.70.
Can new books break into Professional?
4% 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.