KDP categories · Top KDP authors
Research (Mathematics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Research (Mathematics, Books), updated Nov 2, 2026: median price $17.99, median 10 reviews, average rating 4.5 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $10.87 – $31.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 1% of the parent category Mathematics (1,295), one of the easier corners under it.
- Its review barrier is lower than in 83% of Books categories: the median best seller has only 10 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $10.87 to $31.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Research best sellers
-
Laboratory Notebook: Simply Lab Notebook for Researchers, 105 pages, 8.5 x 11 in, Student Laboratory Notebook
by NS - New Standard
- List rank#1
- Price$6.50
- Rating4.7
- Reviews126
-
Deep Learning Math Workbook: 300 puzzles to build your mathematical foundation for deep learning
by Tom Yeh
- List rank#2
- Price$31.99
- Rating4.3
- Reviews31
-
Seeing Further: The Story of Science and the Royal Society
by Bill Bryson
- List rank#3
- Price$12.49
- Rating3.9
- Reviews1,032
-
Isometric Graph Paper: Simple Isometric Graph Paper Notebook - 110 Pages (8.5" x 11" Inches)
by Modern Simple Press
- List rank#4
- Price$6.90
- Rating4.7
- Reviews200
-
Long Division Workbook Grade 4: 4th Grade Math Workbooks Long Division: With & Without Remainders (Scaffolding Exercises Sheets) Divide Two Digit, ... Pages for Kids (Ages 8-10) KS2 Year 4
by Mathematics By Kim
- List rank#5
- Price$9.99
- Rating4.7
- Reviews88
-
The Golden Ratio: The Story of PHI, the World's Most Astonishing Number
by Mario Livio
- List rank#6
- Price$10.87
- Rating4.5
- Reviews481
-
The Music of the Primes: Searching to Solve the Greatest Mystery in Mathematics (P.S.)
by Marcus du Sautoy
- List rank#7
- Price$14.39
- Rating4.6
- Reviews562
-
The Mathematicians' Library: The Books That Unlocked The Power Of Numbers (Libri Historici)
by Thomas K. Briggs
- List rank#8
- Price$25.86
- Rating4.7
- Reviews39
-
Lean 4 Mathematics Handbook: From High-School Mathematics to Modern Mathematics
by isobe
- List rank#9
- Price$12
- Reviews-
-
Real Estate Math Calculations: A Reference Guide for All Real Estate Math
- List rank#10
- Price$18.99
- Rating4.5
- Reviews72
Same niche in Kindle eBooks: Research
FAQ
Is Research a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $17.99.
How many reviews do you need to rank in Research?
The median best seller has 10 reviews, and 79% of them have fewer than 100.
What do Research best sellers cost?
The median price is $17.99; half of the best sellers are priced between $10.87 and $31.99.
Can new books break into Research?
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.