KDP categories · Top KDP authors
Jiazheng Chen: Amazon KDP author data
As of Nov 6, 2026, Jiazheng Chen has 111 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #2), mostly in Advanced Placement, Science & Mathematics, Physics.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $6.99 – $12.99 |
| Median reviews | - |
| Total reviews | 0 |
| New listings (30 days, incl. new editions) | 7 |
| Breakout books (30 days) | 3 |
What stands out
- Only 8% of the catalog charted in the last 30 days; sales rest on a few titles.
- Median price $8.99, 61% below the median of their main category, Advanced Placement.
- 7 new listings in the last 30 days (new editions included), 3 of them broke into a Best Sellers list.
Jiazheng Chen's best-ranked books
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美高微积分衔接手册 (美高科目衔接手册) (Chinese Edition)
by Jiazheng Chen
- Price$7.99
- Reviews-
-
Practice to Mastery: AP Physics C: Mechanics Workbook
by Jiazheng Chen
- Price$62.99
- Reviews-
- Published2026-10
-
Practice to Mastery: U.S. High School Biology
by Jiazheng Chen
- Price$59.99
- Reviews-
-
Practice to Mastery: AP Physics C: Mechanics Practice Exams
by Jiazheng Chen
- Price$58.99
- Reviews-
- Published2026-10
-
Practice to Mastery: AP Physics C: Electricity and Magnetism Workbook
by Jiazheng Chen
- Price$59.99
- Reviews-
-
在美拥枪: 写给华人新手的枪支安全、法律与操作入门 (Chinese Edition)
by Jiazheng Chen
- Price$6.99
- Reviews-
- Published2026-08
-
Understanding a Single Stock: The Meaning, Basis, and Limits of the Data
by Jiazheng Chen
- Price$12.99
- Reviews-
- Published2026-09
-
美高历史衔接手册 (美高科目衔接手册) (Chinese Edition)
by Jiazheng Chen
- Price-
- Reviews-
- Published2026-06
-
How Biostatisticians Work: The Real Work, Communication, and Getting Hired
by Jiazheng Chen
- Price$8.99
- Reviews-
-
Understanding Artificial Intelligence: Concepts, Uses, and Traps
by Jiazheng Chen
- Price$7.99
- Reviews-
Main categories
FAQ
How many books does Jiazheng Chen have on Amazon?
KDPTop tracks 111 of their books; 9 made an Amazon list in the last 30 days.
Which categories does Jiazheng Chen publish in?
Their books chart most often in Advanced Placement, Science & Mathematics, Physics.
How does Jiazheng Chen price their books?
The median price is $8.99; half of the books cost $6.99–$12.99.
Has Jiazheng Chen released new books recently?
7 new books in the last 30 days, 3 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.