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Jack R. Maddock: Amazon KDP author data
As of Nov 6, 2026, Jack R. Maddock has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #55), mostly in Intelligence & Espionage, Naval, United States.
| Median price | $11.86 |
|---|---|
| Price range (middle 50%) | $7.92 – $13.98 |
| Median reviews | 7 |
| Total reviews | 21 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $11.86, 19% below the median of their main category, Intelligence & Espionage.
- 3 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Jack R. Maddock's best-ranked books
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The Truth About Navy SEAL Team Six: Inside America’s Secret Counter-Terrorism Unit
by Jack R. Maddock
- Price$11.86
- Rating4.1
- Reviews7
-
The Truth About Navy SEAL Team Six: Inside America’s Secret Counter-Terrorism Unit (Special Forces)
by Jack R. Maddock
- Price$3.99
- Rating4.1
- Reviews7
-
The Truth About Navy SEAL Team Six: Inside America’s Secret Counter-Terrorism Unit (Special Forces)
by Jack R. Maddock
- Price$16.11
- Rating4.1
- Reviews7
Main categories
FAQ
How many books does Jack R. Maddock have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Jack R. Maddock publish in?
Their books chart most often in Intelligence & Espionage, Naval, United States.
How does Jack R. Maddock price their books?
The median price is $11.86; half of the books cost $7.92–$13.98.
Has Jack R. Maddock released new books recently?
3 new books in the last 30 days, 3 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.