KDP categories · Top KDP authors
Test Preparation (Education & Teaching, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Test Preparation (Education & Teaching, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 70 reviews, average rating 4.6 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $12.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 18% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 8% of the parent category Education & Teaching (872), one of the easier corners under it.
- 18% of its best sellers came out in the last 90 days, more than in 83% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $2.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Test Preparation best sellers
-
Layered Learning: Master Any Subject Faster, Crush Every Exam, and Retain Information Forever
by James Hernandez
- List rank#1
- Price$2.99
- Rating4.7
- Reviews133
-
The Ham Radio Prep Technician Class License Manual (2026 - 2030) (Ham Radio License Package Book 1)
by Ham Prep
- List rank#2
- Price$7.99
- Rating4.9
- Reviews37
-
Mind Mapping: Improve Memory, Concentration, Communication, Organization, Creativity, and Time Management (Mental Performance)
by Kam Knight
- List rank#3
- Price$4.99
- Rating4.4
- Reviews1,304
-
Human Anatomy & Physiology Study Guide: Complete Anatomy & Physiology Review for High School, AP & College | Body Systems, Homeostasis, Disease + 2 ... ... Exams (Biology Mastery Series Book 3)
by Elias Rowan
- List rank#4
- Price$12.99
- Rating4.5
- Reviews10
-
Aprender inglés para adultos principiantes: 7 libros en 1: ¡Habla inglés en 30 días! (Spanish Edition)
- List rank#5
- Price$9.99
- Rating4.8
- Reviews5,444
-
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#6
- Price$68
- Rating4.5
- Reviews308
-
GED STUDY GUIDE 2026-2027 ALL SUBJECTS: Complete study guide for Math, Language Arts, Science & Social Studies with Practice Questions, Detailed Answer Explanations and Full-Length Practice Tests
by Deborah A. Langford
- List rank#7
- Price$0.99
- Rating5.0
- Reviews8
-
Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations: Improve Your Math Fluency Series
- List rank#8
- Price$4.99
- Rating4.4
- Reviews4,878
-
The Ham Radio Prep Amateur Extra Class License Manual (2024 - 2028) (Ham Radio License Package Book 3)
by Ham Prep
- List rank#9
- Price$7.99
- Rating4.6
- Reviews167
-
ADULTING: Without Freaking Out About FINANCES (ADULTING Without Freaking Out)
by B.F. Reading
- List rank#10
- Price$1.99
- Rating4.6
- Reviews17
Subcategories
Same niche in Books: Test Preparation
FAQ
Is Test Preparation a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 70 reviews and sells for $9.99.
How many reviews do you need to rank in Test Preparation?
The median best seller has 70 reviews, and 58% of them have fewer than 100.
What do Test Preparation best sellers cost?
The median price is $9.99; half of the best sellers are priced between $2.99 and $12.99.
Can new books break into Test Preparation?
18% 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.