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Combinatorics (Pure Mathematics, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Combinatorics (Pure Mathematics, Kindle eBooks), updated Nov 2, 2026: median price $17.90, median 12 reviews, average rating 4.3 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $7.40 – $48.30 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 11% of the parent category Pure Mathematics (108), one of the easier corners under it.
- At $17.90 its median price beats 98% of Kindle eBooks categories, leaving more margin per copy.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
Top 10 Combinatorics best sellers
-
The Magic of Math: Solving for x and Figuring Out Why
- List rank#1
- Price$1.99
- Rating4.5
- Reviews397
-
Essential Probability Practice Workbook with Answers: A Self-Teaching Guide
- List rank#2
- Price$5.99
- Rating4.6
- Reviews39
-
Applied Combinatorics: with Graph Theory
by Anna Mitina
- List rank#3
- Price$1.99
- Rating4.8
- Reviews5
-
The Geometry of Musical Rhythm: What Makes a "Good" Rhythm Good?, Second Edition (AK Peters/CRC Recreational Mathematics Series)
by Godfried T. Toussaint
- List rank#4
- Price$44
- Rating4.1
- Reviews25
-
Graph Theory Through Problems: 300 Exercises with Hints, Worked Algorithms and Complete Solutions
by Mohammed Islam Hadjoudj
- List rank#5
- Price$9.99
- Reviews-
-
Permutations and Combinations: Multiplication, Permutations, and Combinations Explained — A TLDR Primer
- List rank#6
- Price$2.99
- Reviews-
-
Before Machine Learning Volume 3 - Probability and Statistics for A.I: The fundamental mathematics for Data Science and Artificial Intelligence
by Jorge Brasil
- List rank#7
- Price$9.99
- Rating4.4
- Reviews29
-
Unboring Fibbonacci Number Mysteries for Kids: Funny, Fascinating Guide to the Strangest True Fibonacci Number Mysteries, Hidden Patterns, and Unexplained ... and Homeschoolers Ages 9–12 Book 2)
by Unboring Mysteries
- List rank#8
- Price$2.99
- Reviews-
-
Handbook of Applied Cryptography (Discrete Mathematics and Its Applications)
by Alfred J. Menezes
- List rank#9
- Price$147
- Rating4.0
- Reviews67
-
Cryptanalysis of RSA and Its Variants (Chapman & Hall/CRC Cryptography and Network Security Series)
by M. Jason Hinek
- List rank#10
- Price$77.99
- Rating4.5
- Reviews2
Same niche in Books: Combinatorics
FAQ
Is Combinatorics a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 12 reviews and sells for $17.90.
How many reviews do you need to rank in Combinatorics?
The median best seller has 12 reviews, and 95% of them have fewer than 100.
What do Combinatorics best sellers cost?
The median price is $17.90; half of the best sellers are priced between $7.40 and $48.30.
Can new books break into Combinatorics?
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.