KDP categories · Top KDP authors
Xingzhuang Zhao: Amazon KDP author data
As of Nov 6, 2026, Xingzhuang Zhao has 8 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #7), mostly in Functional Analysis, Mathematical Analysis, Pure Mathematics.
| Median price | $16 |
|---|---|
| Price range (middle 50%) | $9.99 – $32.50 |
| Median reviews | 2 |
| Total reviews | 4 |
| New books (30 days) | 6 |
| Breakout books (30 days) | 5 |
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 $16, 71% below the median of their main category, Functional Analysis.
- 6 new books in the last 30 days, 5 of them broke into a Best Sellers list.
Xingzhuang Zhao's best-ranked books
-
A Gentle Introduction to Tensors: From Linear Algebra to Tensor Calculus, Geometry, and Physics
by Xingzhuang Zhao
- Price$40
- Rating4.5
- Reviews2
-
Real and Complex Analysis for Self-Study: From Real Numbers to Holomorphic Functions, Residues, and Applications (II)
by Xingzhuang Zhao
- Price$8
- Reviews-
-
Real and Complex Analysis for Self-Study: From Real Numbers to Holomorphic Functions, Residues, and Applications (I)
by Xingzhuang Zhao
- Price$30
- Reviews-
-
Set Theory: A Self-Study Introduction
by Xingzhuang Zhao
- Price$9.99
- Reviews-
-
A Gentle Introduction to Tensors: From Linear Algebra to Tensor Calculus, Geometry, and Physics
by Xingzhuang Zhao
- Price$9.99
- Rating4.5
- Reviews2
-
Real and Complex Analysis for Self-Study: From Real Numbers to Holomorphic Functions, Residues, and Applications
by Xingzhuang Zhao
- Price$9.99
- Reviews-
-
Number Theory for Self-Study: From Divisibility and Primes to Congruences, Cryptography, and Elliptic Curves
by Xingzhuang Zhao
- Price$40
- Reviews-
-
Real and Complex Analysis for Self-Study: From Real Numbers to Holomorphic Functions, Residues, and Applications (II)
by Xingzhuang Zhao
- Price$22
- Reviews-
Main categories
FAQ
How many books does Xingzhuang Zhao have on Amazon?
KDPTop tracks 8 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Xingzhuang Zhao publish in?
Their books chart most often in Functional Analysis, Mathematical Analysis, Pure Mathematics.
How does Xingzhuang Zhao price their books?
The median price is $16; half of the books cost $9.99–$32.50.
Has Xingzhuang Zhao released new books recently?
6 new books in the last 30 days, 5 of which reached a Best Sellers list.
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.