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Ray Yao: Amazon KDP author data
Ray Yao has 106 books on Amazon, 38 of them on a best-seller list in the last 30 days (best rank #1), mostly in Languages & Tools, Introductory & Beginning, C.
106Books on Amazon
38Listed in 30 days
4.7Average rating
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $0.99 – $13.99 |
| Median reviews | 2 |
| Total reviews | 149 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $9.99, 43% above the median of their main category, Languages & Tools.
- 3 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Ray Yao's best-ranked books
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Xml Json Programming, In 8 Hours, For Beginners, Learn Coding Fast: Xml Json Language, Crash Course Textbook & Exercises
by Ray Yao
- Price$13.99
- Rating4.6
- Reviews6
-
Rust: Rust Programming, In 8 Hours, For Beginners, Learn Coding Fast: Rust Language, Crash Course Textbook & Exercises (Cookbooks in 8 Hours 15)
by Ray Yao
- Price$2.99
- Rating4.8
- Reviews6
-
C++: C++ Coding. From Zero to Hero in 8 Hours. C++ Programming: Learn Programming in Easy Way. An Ultimate Beginner's Guide! (2403) (Cookbooks in 8 Hours Book 19)
by Ray Yao
- Price$0.99
- Rating4.6
- Reviews5
-
Visual Basic: Programming, In 8 Hours, For Beginners, Learn Coding Fast: Visual Basic Language, Crash Course Textbook & Exercises (Cookbooks in 8 Hours 18)
by Ray Yao
- Price$0.99
- Rating4.7
- Reviews4
-
Xml Json Programming, In 8 Hours, For Beginners, Learn Coding Easily: Xml Json Scripting, Crash Course Textbook & Exercises (2nd Edition) (Textbooks in 8 Hours 18)
by Ray Yao
- Price$2.99
- Rating5.0
- Reviews1
-
MATLAB Programming, For Beginners, Quick Start Guide: Matlab Language Crash Course Tutorial & Exercises (Paperbacks in 8 Hours)
by Ray Yao
- Price$13.99
- Rating4.5
- Reviews6
-
C#: C# Programming, In 8 Hours, For Beginners, Learn Coding Fast: C# Language, Crash Course Textbook & Exercises (Cookbooks in 8 Hours 2)
by Ray Yao
- Price$0.99
- Rating5.0
- Reviews1
- Published2022-03
-
Dart Programming, In 8 Hours, For Beginners, Learn Coding Fast: Dart Language Crash Course Textbook & Exercises (Cookbooks in 8 Hours 3)
by Ray Yao
- Price$2.99
- Rating4.6
- Reviews6
-
HTML CSS in 8 Hours, For Beginners, Learn Coding Fast! (Paperbacks in 8 Hours)
by Ray Yao
- Price$13.99
- Rating4.7
- Reviews4
-
Html Css Coding. From Zero to Hero, in 8 Hours: Learn Html Css Programming in Easy Way (Textbooks in 8 Hours Book 22)
by Ray Yao
- Price$0.99
- Rating5.0
- Reviews1
Main categories
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.