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Gregor Haynes: Amazon KDP author data
As of Nov 6, 2026, Gregor Haynes has 6 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #2), mostly in Transistors, Electronics, Testing.
| Median price | $29.99 |
|---|---|
| Price range (middle 50%) | $19.99 – $4,733 |
| Median reviews | 210 |
| Total reviews | 1,246 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 67% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $29.99, 67% above the median of their main category, Transistors.
Gregor Haynes's best-ranked books
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Step-by-Step Electrical Engineering: Learn and Apply Core Concepts Quickly. Build Your Knowledge with Practical Examples - No Background Required! Perfect for Aspiring Engineers and Enthusiasts!
by Gregor Haynes
- Price$19.99
- Rating4.5
- Reviews385
- Published2024-10
-
Step-by-Step Electrical Engineering: Learn and Apply Core Concepts Quickly. Build Your Knowledge with Practical Examples - No Background Required! Perfect for Aspiring Engineers and Enthusiasts!
by Gregor Haynes
- Price$18.99
- Rating4.5
- Reviews384
-
Step-by-Step Electrical Engineering: Learn and Apply Core Concepts Quickly. Build Your Knowledge with Practical Examples - No Background Required! Perfect for Aspiring Engineers and Enthusiasts!
by Gregor Haynes
- Price$29.99
- Rating4.5
- Reviews384
-
Electrical Engineering Formulas Explained Simply: A Beginner-Friendly Guide to Electrical Concepts, Formulas & Math Made Easy—with Clear Explanations, Step-by-Step Logic, and Real-World Applications
by Gregor Haynes
- Price-
- Rating4.6
- Reviews33
-
Elektrotechnik für Einsteiger – Schritt für Schritt erklärt: Die wichtigsten Grundlagen ohne Vorkenntnisse mit Praxisbeispielen verstehen und anwenden ... Schüler und Technikfans. (German Edition)
by Gregor Haynes
- Price$10,335
- Rating4.5
- Reviews37
-
Formelsammlung Elektrotechnik für Studenten und Einsteiger: Die wichtigste Formelsammlung – klar strukturiert, leicht verständlich und ideal zum ... für Studium und Ausbildung. (German Edition)
by Gregor Haynes
- Price$4,733
- Rating4.7
- Reviews23
Main categories
FAQ
How many books does Gregor Haynes have on Amazon?
KDPTop tracks 6 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Gregor Haynes publish in?
Their books chart most often in Transistors, Electronics, Testing.
How does Gregor Haynes price their books?
The median price is $29.99; half of the books cost $19.99–$4,733.
Has Gregor Haynes released new books recently?
0 new books in the last 30 days.
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.