KDP categories · Top KDP authors
Metin Bektas: Amazon KDP author data
As of Nov 6, 2026, Metin Bektas has 13 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #1), mostly in Calculus, Applied, Pre-Calculus.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 59 |
| Total reviews | 5,312 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $2.99, 70% below the median of their main category, Calculus.
Metin Bektas's best-ranked books
-
Math Shorts - Set Theory
by Metin Bektas
- Price$2.99
- Rating4.5
- Reviews37
-
Audio Effects, Mixing and Mastering
by Metin Bektas
- Price$2.99
- Rating4.5
- Reviews588
-
Audio Effects, Mixing and Mastering
by Metin Bektas
- Price$4.95
- Rating4.5
- Reviews588
- Published2017-04
-
Statistical Snacks
by Metin Bektas
- Price$3.95
- Rating4.0
- Reviews59
-
The Book of Forces
by Metin Bektas
- Price$2.99
- Rating4.5
- Reviews534
-
Exercises to Math Shorts - Derivatives
by Metin Bektas
- Price$0.99
- Rating4.0
- Reviews35
-
Great Formulas Explained - Physics, Mathematics, Economics
by Metin Bektas
- Price$2.99
- Rating4.4
- Reviews1,014
-
Math Shorts - Exponential and Trigonometric Functions
by Metin Bektas
- Price$2.99
- Rating4.7
- Reviews21
-
Math Shorts - Integrals
by Metin Bektas
- Price$2.99
- Rating4.3
- Reviews63
-
Introduction to Stars: Spectra, Formation, Evolution, Collapse
by Metin Bektas
- Price$2.99
- Rating4.3
- Reviews30
Main categories
FAQ
How many books does Metin Bektas have on Amazon?
KDPTop tracks 13 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Metin Bektas publish in?
Their books chart most often in Calculus, Applied, Pre-Calculus.
How does Metin Bektas price their books?
The median price is $2.99; half of the books cost $2.99–$2.99.
Has Metin Bektas released new books recently?
0 new books in the last 30 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.