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Gilbert Hackforth-Jones: Amazon KDP author data
As of Nov 6, 2026, Gilbert Hackforth-Jones has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days, mostly in Sea Adventures, Thriller, War.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $3.99 – $4.99 |
| Median reviews | 174 |
| Total reviews | 575 |
| New books (30 days) | 4 |
| Breakout books (30 days) | 0 |
What stands out
- 4 new books in the last 30 days.
Gilbert Hackforth-Jones's best-ranked books
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Submarine Alone: Navigating U-boat attacks during WWII... (Gilbert Hackforth-Jones Submarine Adventures)
by Gilbert Hackforth-Jones
- Price$4.99
- Rating4.2
- Reviews307
-
Submarine Flotilla: Naval adventures in the lead up to war... (Gilbert Hackforth-Jones Submarine Adventures)
by Gilbert Hackforth-Jones
- Price$4.99
- Rating4.2
- Reviews174
-
Crack of Doom: A page-turning historical naval thriller (Gilbert Hackforth-Jones Submarine Adventures)
by Gilbert Hackforth-Jones
- Price$4.99
- Rating4.3
- Reviews94
-
Death of an Admiral: An intriguing naval mystery (Gilbert Hackforth-Jones Submarine Adventures)
by Gilbert Hackforth-Jones
- Price$0.99
- Reviews-
Main categories
FAQ
How many books does Gilbert Hackforth-Jones have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Gilbert Hackforth-Jones publish in?
Their books chart most often in Sea Adventures, Thriller, War.
How does Gilbert Hackforth-Jones price their books?
The median price is $4.99; half of the books cost $3.99–$4.99.
Has Gilbert Hackforth-Jones released new books recently?
4 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.