KDP categories · Top KDP authors
Test Preparation & Review (Medicine & Health Sciences, Books): Amazon KDP category data
Amazon Books Best Sellers data for Test Preparation & Review (Medicine & Health Sciences, Books), updated Nov 3, 2026: median price $42.47, median 72 reviews, average rating 4.6 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $29.99 – $65.97 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 20% of the parent category Medicine & Health Sciences (354), one of the easier corners under it.
- At $42.47 its median price beats 95% of Books categories, leaving more margin per copy.
Top 10 Test Preparation & Review best sellers
-
Saunders Comprehensive Review for the NCLEX-RN® Examination
by Linda Anne Silvestri PhD RN ANEF FAAN
- List rank#1
- 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#2
- Price$198
- Rating4.7
- Reviews238
-
Admission Assessment Exam Review
by HESI
- List rank#3
- Price$43.68
- Rating4.6
- Reviews328
-
EMT (Emergency Medical Technician) Crash Course with Online Practice Test, 3rd Edition: Get a Passing Score in Less Time (EMT Test Preparation)
by Christopher Coughlin Ph.D.
- List rank#4
- Price$18.34
- Rating4.8
- Reviews563
-
National Registry Paramedic Prep (2026): Practice + Proven Strategies (Kaplan Test Prep)
by Kaplan Medical
- List rank#5
- Price$39.49
- Rating4.7
- Reviews1,616
-
MCAT Self-Study Toolkit 2027–2028 | All-in-One System: 7-Book Set + 3,000-Q Qbank + 6 Practice Tests | 500+ New Images & All-New CARS Book (Kaplan) (Kaplan Test Prep)
- List rank#6
- Price$300
- Rating4.5
- Reviews175
-
Surgical Recall
by Lorne Blackbourne
- List rank#7
- Price$63.49
- Rating4.8
- Reviews34
-
First Aid for the USMLE Step 3, Fifth Edition
by Tao Le
- List rank#8
- Price$54.18
- Rating4.5
- Reviews550
-
NREMT Exam Flashcards: EMT Flash Cards Study Guide and Practice Questions for the Emergency Medical Technician Exam [Full Color Cards]
- List rank#9
- Price$32.40
- Rating4.4
- Reviews570
-
Step-Up to Medicine (Step-Up Series)
by Steven Agabegi MD
- List rank#10
- Price$69.99
- Rating4.6
- Reviews118
FAQ
Is Test Preparation & Review a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 72 reviews and sells for $42.47.
How many reviews do you need to rank in Test Preparation & Review?
The median best seller has 72 reviews, and 54% of them have fewer than 100.
What do Test Preparation & Review best sellers cost?
The median price is $42.47; half of the best sellers are priced between $29.99 and $65.97.
Can new books break into Test Preparation & Review?
8% 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.