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Set Theory (Pure Mathematics, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Set Theory (Pure Mathematics, Kindle eBooks), updated Nov 2, 2026: median price $14.72, median 7 reviews, average rating 4.3 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $8.63 – $49.72 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 6% of the parent category Pure Mathematics (108), one of the easier corners under it.
- At $14.72 its median price beats 98% of Kindle eBooks categories, leaving more margin per copy.
- Its review barrier is lower than in 85% of Kindle eBooks categories: the median best seller has only 7 reviews, so new books can chart with few.
Top 10 Set Theory best sellers
-
Math Shorts - Set Theory
by Metin Bektas
- List rank#1
- Price$2.99
- Rating4.5
- Reviews37
-
TOPOLOGY VOLUME 01: Foundations of Metric and Topological Spaces (Bachelor's Degree in Mathematics)
by Helbert Justo Luque Zevallos
- List rank#2
- Price$7.50
- Reviews-
-
Journey to the Edge of Reason: The Life of Kurt Gödel
by Stephen Budiansky
- List rank#3
- Price$9.99
- Rating4.5
- Reviews493
-
Basic Mathematics: A Comprehensive Guide to Fundamental Concepts for Students and Professionals (Bachelor's Degree in Mathematics)
by Helbert Justo Luque Zevallos
- List rank#4
- Price$0
- Reviews-
-
The Mathematics of Musical Set Theory
by Jim Arlow
- List rank#5
- Price$9.99
- Rating3.9
- Reviews3
-
The Continuum and Other Types of Serial Order (Dover Books on Mathematics)
by Edward V. Huntington
- List rank#6
- Price$8.76
- Rating4.2
- Reviews6
-
Philosophical Introduction to Set Theory (Dover Books on Mathematics)
by Stephen Pollard
- List rank#7
- Price$9.99
- Rating3.4
- Reviews5
-
The Program That Talks About Itself: From PRA to ZFC to the Incompleteness Theorems
by Cole Ducade
- List rank#8
- Price$12.99
- Reviews-
-
-
Set Theory and Logic (Dover Books on Mathematics)
by Robert R. Stoll
- List rank#10
- Price$13.17
- Rating4.6
- Reviews115
Same niche in Books: Set Theory
FAQ
Is Set Theory a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 7 reviews and sells for $14.72.
How many reviews do you need to rank in Set Theory?
The median best seller has 7 reviews, and 91% of them have fewer than 100.
What do Set Theory best sellers cost?
The median price is $14.72; half of the best sellers are priced between $8.63 and $49.72.
Can new books break into Set Theory?
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.