KDP categories · Top KDP authors
Graduate Preparation (Graduate & Professional, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Graduate Preparation (Graduate & Professional, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 5 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $14.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 13% |
| Books on the list | 98 |
| Store | Kindle eBooks |
What stands out
- The same niche in Books scores 38, 16 points higher than here; worth checking both.
- Its review barrier is lower than in 89% of Kindle eBooks categories: the median best seller has only 5 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $4.99 to $14.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Graduate Preparation best sellers
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LSAT Prep Book: The Complete and Fully Updated Study Guide to Ace the New LSAT. Full-Length Practice Tests, Step-by-Step Explanations, & Test-Day Tips
- List rank#1
- Price$27.90
- Rating4.7
- Reviews349
-
GMAT Test Prep: The Complete and Up-to-Date Prep Book with Full-Length Practice Tests and Easy-to-Follow Explanations to Ace the GMAT Exam
- List rank#2
- Price$29.99
- Rating4.6
- Reviews316
-
SAT: CRAFT AND STRUCTURE
by GRIFFIN OLSON
- List rank#3
- Price$0
- Reviews-
-
Mastering the LSAT: The Student's Guide to Success
- List rank#4
- Price$0.99
- Rating4.4
- Reviews103
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GMAT Prep Book: The Complete and Fully Updated Test Prep Guide to Ace the GMAT Exam. Full-Length Practice Tests, Expert Strategies, & Step-by-Step Explanations
- List rank#5
- Price$19.90
- Rating4.9
- Reviews304
-
![GED Study Guide 2025–2026 [3 IN 1]: All Subjects | The Complete Prep Book with Lessons, Hu book cover by Christopher Hall](https://images-na.ssl-images-amazon.com/images/I/81x561a5ZVL._UX300__PJkp-sticker-v1,TopRight,0,-50_AC_UL300_SR300,200_.jpg)
GED Study Guide 2025–2026 [3 IN 1]: All Subjects | The Complete Prep Book with Lessons, Hundreds of Practice Questions, and 3 Full-Length Practice Tests to Pass on Your First Try
by Christopher Hall
- List rank#6
- Price$9.97
- Rating4.9
- Reviews12
-
Certified Clinical Documentation Specialist (CCDS) Exam Study Guide 2026–2027: Blueprint-Mapped Review with Study Plans, 1000+ Practice Questions, 7 Full-Length Exams, Answer Key, Detailed Rationales
by Syllabrium Publishing
- List rank#7
- Price$9.99
- Rating5.0
- Reviews16
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Improve SAT scores by mastering advanced math techniques.: Mastering Math: Your Ultimate Guide to Excelling in SAT, GRE, and Beyond
by Manas Kr.
- List rank#8
- Price$0.99
- Reviews-
-
The Ultimate CPCE Exam Prep: 1000+ Precision Questions & 5 Full Mock Exams to Dominate Every CACREP Domain, Overcome Study Confusion, and Replace Anxiety with Confidence and Proven Readiness
by Ava Fraley
- List rank#9
- Price$0.99
- Rating4.8
- Reviews68
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LSAT PrepTest 101 Explanations: Every Logical Reasoning and Reading Comprehension Answer in LawHub PrepTest 101, Explained for the Current LSAT
- List rank#10
- Price$0.99
- Reviews-
Same niche in Books: Test Preparation & Review
FAQ
Is Graduate Preparation a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $9.99.
How many reviews do you need to rank in Graduate Preparation?
The median best seller has 5 reviews, and 92% of them have fewer than 100.
What do Graduate Preparation best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.99 and $14.99.
Can new books break into Graduate Preparation?
13% 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.