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Jack Duval: Amazon KDP author data
As of Nov 6, 2026, Jack Duval has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #25), mostly in Urban, State & Local Government, Administrative Law, Civil Procedure.
| Median price | $5.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $8.55 |
| Median reviews | 3 |
| Total reviews | 99 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 2 |
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 $5.99, 40% below the median of their main category, Urban, State & Local Government.
- 3 new listings in the last 30 days (new editions included), 2 of them broke into a Best Sellers list.
Jack Duval's best-ranked books
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Ohio Notary Public Exam Study Guide 2026 - 2027: Complete Preparation For Ohio Notary Laws, Procedures, Fees, Notarial Acts, Electronic & Online Notarization
by Jack Duval
- Price$5.99
- Rating5.0
- Reviews3
-
Ohio Notary Public Exam Study Guide 2026 - 2027: Complete Preparation For Ohio Notary Laws, Procedures, Fees, Notarial Acts, Electronic & Online Notarization
by Jack Duval
- Price$8.55
- Rating5.0
- Reviews3
-
Ohio State Notary Public Study Guide and Exam Prep 2023-2024: Most Comprehensive and Up-To-Date Guide with 8 Practice Tests!
by Jack Duval
- Price$4.85
- Rating4.2
- Reviews45
-
Ohio State Notary Public Study Guide and Exam Prep 2023-2024: Most Comprehensive and Up-To-Date Guide with 8 Practice Tests!
by Jack Duval
- Price$5.99
- Rating4.2
- Reviews45
-
Ohio Notary Public Exam Study Guide 2026 - 2027: Complete Preparation For Ohio Notary Laws, Procedures, Fees, Notarial Acts, Electronic & Online Notarization
by Jack Duval
- Price$15.99
- Rating5.0
- Reviews3
Main categories
FAQ
How many books does Jack Duval have on Amazon?
KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Jack Duval publish in?
Their books chart most often in Urban, State & Local Government, Administrative Law, Civil Procedure.
How does Jack Duval price their books?
The median price is $5.99; half of the books cost $5.99–$8.55.
Has Jack Duval released new books recently?
3 new books in the last 30 days, 2 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.