KDP categories · Top KDP authors
ERIC T. COTNER: Amazon KDP author data
As of Nov 6, 2026, ERIC T. COTNER has 10 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #7), mostly in C++, Visual C++, JavaScript.
| Median price | $7.99 |
|---|---|
| Price range (middle 50%) | $7.24 – $21.74 |
| Median reviews | 1 |
| Total reviews | 6 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 1 |
What stands out
- 90% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $7.99, 20% below the median of their main category, C++.
- 3 new books in the last 30 days, 1 of them broke into a Best Sellers list.
ERIC T. COTNER's best-ranked books
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Build 10 Desktop Apps with Qt & C++: Beginner to Intermediate Guide to Creating Real-World GUI Applications, Mastering Qt Widgets, and Launching Cross-Platform Software Projects
by ERIC T. COTNER
- Price$29.99
- Reviews-
-
The Complete Qt 6.10 & C++ Developer’s Guide: Create Beautiful, Fast, and Scalable Applications with Qt Widgets, Qt Quick, Networking, Multimedia, and Deployment Skills
by ERIC T. COTNER
- Price$4.99
- Rating1.0
- Reviews1
-
Build 10 Desktop Apps with Qt & C++: Beginner to Intermediate Guide to Creating Real-World GUI Applications, Mastering Qt Widgets, and Launching Cross-Platform Software Projects
by ERIC T. COTNER
- Price$7.99
- Reviews-
-
HTML5 Game Development with Phaser: A Step-by-Step Guide to Scenes, Physics, Animation, Tilemaps, and Mobile Game Optimization
by ERIC T. COTNER
- Price$4.99
- Rating5.0
- Reviews1
-
Qt 6 Projects with C++: Build Modern Cross-Platform Desktop Applications Step by Step
by ERIC T. COTNER
- Price$20.99
- Rating5.0
- Reviews1
-
Hands-On Git and GitHub for Beginners: A Practical Guide to Version Control, Branching, and Real-World Collaboration
by ERIC T. COTNER
- Price$21.99
- Reviews-
- Published2026-03
-
Mastering Qt Widgets and Qt Quick: A Practical Guide to Building Responsive Desktop Apps with Qt 6, QML, and Modern C++
by ERIC T. COTNER
- Price$7.99
- Rating5.0
- Reviews1
-
C++ Programming for Beginners: Learn Programming Fundamentals, Modern C++ Techniques, Debugging, Testing, and Application Development from Scratch
by ERIC T. COTNER
- Price$29.99
- Rating4.0
- Reviews1
-
C++ Programming for Beginners: Learn Programming Fundamentals, Modern C++ Techniques, Debugging, Testing, and Application Development from Scratch
by ERIC T. COTNER
- Price$6.99
- Rating4.0
- Reviews1
-
TypeScript for Beginners: A Practical Guide to Modern JavaScript Development, Types, Interfaces, APIs, and Real-World Projects
by ERIC T. COTNER
- Price$7.99
- Reviews-
Main categories
FAQ
How many books does ERIC T. COTNER have on Amazon?
KDPTop tracks 10 of their books; 9 made an Amazon list in the last 30 days.
Which categories does ERIC T. COTNER publish in?
Their books chart most often in C++, Visual C++, JavaScript.
How does ERIC T. COTNER price their books?
The median price is $7.99; half of the books cost $7.24–$21.74.
Has ERIC T. COTNER released new books recently?
3 new books in the last 30 days, 1 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.