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Cormac Wrenfield: Amazon KDP author data
As of Nov 6, 2026, Cormac Wrenfield has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #8), mostly in Electrical, Circuits, Engineering & Transportation.
| Median price | $116 |
|---|---|
| Price range (middle 50%) | $97.07 – $136 |
| Median reviews | 10 |
| Total reviews | 20 |
| New listings (30 days, incl. new editions) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $116, 366% above the median of their main category, Electrical.
Cormac Wrenfield's best-ranked books
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The Complete National Electrical Code Handbook 2026: A Simplified Guide Aligned With NFPA 70 Featuring Illustrations, Key Changes, and Wiring ... Electricians, Contractors, and Apprentices
by Cormac Wrenfield
- Price$77.38
- Rating5.0
- Reviews10
- Published2026-08
-
Manual completo del Código Eléctrico Nacional 2026: Guía simplificada conforme a la NFPA 70, con ilustraciones, cambios clave y requisitos de alambrado para electricistas, contratistas y aprendices
by Cormac Wrenfield
- Price$155
- Rating5.0
- Reviews7
Main categories
FAQ
How many books does Cormac Wrenfield have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Cormac Wrenfield publish in?
Their books chart most often in Electrical, Circuits, Engineering & Transportation.
How does Cormac Wrenfield price their books?
The median price is $116; half of the books cost $97.07–$136.
Has Cormac Wrenfield released new books recently?
2 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.