KDP categories · Top KDP authors
Joe Kertzman: Amazon KDP author data
As of Nov 6, 2026, Joe Kertzman has 7 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #2), mostly in Swords & Knives, Weaponsmithing, Firearms & Weapons.
| Median price | $33.98 |
|---|---|
| Price range (middle 50%) | $23.38 – $37.27 |
| Median reviews | 46 |
| Total reviews | 387 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- 86% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Joe Kertzman's best-ranked books
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Knives 2027
by Joe Kertzman
- Price$37.27
- Rating5.0
- Reviews3
- Published2026-10
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Knives 2026
by Joe Kertzman
- Price$30.69
- Rating4.7
- Reviews28
- Published2025-09
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Knives 2021, 41st Edition (World's Greatest Knife Book)
by Joe Kertzman
- Price$16.97
- Rating4.8
- Reviews170
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Knives 2024, 44th Edition: The World's Greatest Knife Book
by Joe Kertzman
- Price$37.27
- Rating4.8
- Reviews67
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Knives 2017: The World's Greatest Knife Book
by Joe Kertzman
- Price$20.95
- Rating4.8
- Reviews55
Main categories
FAQ
How many books does Joe Kertzman have on Amazon?
KDPTop tracks 7 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Joe Kertzman publish in?
Their books chart most often in Swords & Knives, Weaponsmithing, Firearms & Weapons.
How does Joe Kertzman price their books?
The median price is $33.98; half of the books cost $23.38–$37.27.
Has Joe Kertzman released new books recently?
1 new book 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.