KDP categories · Top KDP authors
John Helyar: Amazon KDP author data
As of Nov 6, 2026, John Helyar has 4 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #1), mostly in Consolidation & Merger, Industries, Accounting.
| Median price | $15.88 |
|---|---|
| Price range (middle 50%) | $13.88 – $19.54 |
| Median reviews | 5,113 |
| Total reviews | 15,357 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $15.88, 23% below the median of their main category, Consolidation & Merger.
John Helyar's best-ranked books
-
Barbarians at the Gate: The Inside Story of America’s Most Notorious Corporate Takeover
by John Helyar
- Price$16.99
- Rating4.7
- Reviews5,114
- Published2009-10
-
Barbarians at the Gate: The Inside Story of America’s Most Notorious Corporate Takeover
by John Helyar
- Price$11.18
- Rating4.7
- Reviews5,113
- Published2009-12
-
Barbarians at the Gate: The Fall of RJR Nabisco (with New Epilogue)
by John Helyar
- Price$27.17
- Rating4.8
- Reviews18
- Published1991-01
-
Barbarians at the Gate
by John Helyar
- Price$14.78
- Rating4.7
- Reviews5,113
- Published1990-01
Main categories
FAQ
How many books does John Helyar have on Amazon?
KDPTop tracks 4 of their books; 3 made an Amazon list in the last 30 days.
Which categories does John Helyar publish in?
Their books chart most often in Consolidation & Merger, Industries, Accounting.
How does John Helyar price their books?
The median price is $15.88; half of the books cost $13.88–$19.54.
Has John Helyar 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.