KDP categories · Top KDP authors
JJ Drent: Amazon KDP author data
As of Nov 6, 2026, JJ Drent has 8 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #32), mostly in Strategy, Military & Wars, Military & Spies.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $4.99 |
| Median reviews | - |
| Total reviews | 0 |
| New listings (30 days, incl. new editions) | 8 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $4.99, 29% below the median of their main category, Strategy.
- 8 new listings in the last 30 days (new editions included), 1 of them broke into a Best Sellers list.
JJ Drent's best-ranked books
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Gustavus Adolphus: Military Genius, His Campaigns, and the Lessons for Strategic Thinking Serie: Generals & Strategists, Book 14
by JJ Drent
- Price$4.99
- Reviews-
- Published2026-09
-
Musashi: Military Genius, His Campaigns, and the Lessons for Strategic Thinking (Generals & Strategists)
by JJ Drent
- Price$4.99
- Reviews-
-
Saladin: Military Genius, His Campaigns, and the Lessons for Strategic Thinking (Generals & Strategists)
by JJ Drent
- Price$4.99
- Reviews-
-
Marlborough: Military Genius, His Campaigns, and the Lessons for Strategic Thinking (Generals & Strategists)
by JJ Drent
- Price$4.99
- Reviews-
-
Frederick the Great: Military Genius, His Campaigns, and the Lessons for Strategic Thinking (Generals & Strategists)
by JJ Drent
- Price$4.99
- Reviews-
-
Napoleon: Military Genius, His Campaigns, and the Lessons for Strategic Thinking (Generals & Strategists)
by JJ Drent
- Price$4.99
- Reviews-
-
Clausewitz: Military Genius, His Campaigns, and the Lessons for Strategic Thinking (Generals & Strategists)
by JJ Drent
- Price$4.99
- Reviews-
-
Maurits: Military Genius, His Campaigns, and the Lessons for Strategic Thinking Serie: Generals & Strategists, Book 13
by JJ Drent
- Price$4.99
- Reviews-
Main categories
FAQ
How many books does JJ Drent have on Amazon?
KDPTop tracks 8 of their books; 8 made an Amazon list in the last 30 days.
Which categories does JJ Drent publish in?
Their books chart most often in Strategy, Military & Wars, Military & Spies.
How does JJ Drent price their books?
The median price is $4.99; half of the books cost $4.99–$4.99.
Has JJ Drent released new books recently?
8 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.