KDP categories · Top KDP authors
K.S. Yang: Amazon KDP author data
As of Nov 6, 2026, K.S. Yang has 7 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #44), mostly in Math, Arithmetic, Education & Reference.
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $9.99 – $15.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 7 |
| Breakout books (30 days) | 4 |
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 $12.99, 63% above the median of their main category, Math.
- 7 new books in the last 30 days, 4 of them broke into a Best Sellers list.
K.S. Yang's best-ranked books
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The Singapore Math Advantage: How to Teach Visual Problem Solving and Bar Modeling to Grades 1–6: A Parent & Educator Guide to the ... ... Singapore Math Advantage Series Book 1)
by K.S. Yang
- Price$9.99
- Reviews-
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The Singapore Math Advantage Practice Companion: 100 Step-by-Step Visual Word Problems with Worked Solutions for Grades 1–8
by K.S. Yang
- Price$12.99
- Reviews-
-
The Number Bond Blueprint: Early Math Sense, Part-Whole Reasoning, and Spatial Foundations in Kindergarten & Grades 1–2 (The Singapore Math Advantage Series Book 4)
by K.S. Yang
- Price$9.99
- Reviews-
- Published2026-10
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The Singapore Math Advantage Practice Companion: 100 Step-by-Step Visual Word Problems with Worked Solutions for Grades 1–8 (The Singapore Math Advantage Series Book 5)
by K.S. Yang
- Price$5.99
- Reviews-
- Published2026-10
-
The Singapore Math Advantage: How to Teach Visual Problem Solving and Bar Modeling to Grades 1–6: A Parent & Educator Guide to the Concrete–Pictorial–Abstract Method
by K.S. Yang
- Price$15.99
- Reviews-
-
The Number Bond Blueprint: Early Math Sense, Part-Whole Reasoning, and Spatial Foundations in Kindergarten & Grades 1–2 (The Singapore Math Advantage Series)
by K.S. Yang
- Price$19.99
- Reviews-
-
Mastering Advanced Bar Models: Transitioning from Arithmetic to Pre-Algebra in Grades 5–8 (The Singapore Math Advantage Series)
by K.S. Yang
- Price$15.99
- Reviews-
Main categories
FAQ
How many books does K.S. Yang have on Amazon?
KDPTop tracks 7 of their books; 7 made an Amazon list in the last 30 days.
Which categories does K.S. Yang publish in?
Their books chart most often in Math, Arithmetic, Education & Reference.
How does K.S. Yang price their books?
The median price is $12.99; half of the books cost $9.99–$15.99.
Has K.S. Yang released new books recently?
7 new books in the last 30 days, 4 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.