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Bill Hartzer: Amazon KDP author data
As of Nov 6, 2026, Bill Hartzer has 7 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #23), mostly in Criminal Law, Rules & Procedures, Witnesses.
| Median price | $24.99 |
|---|---|
| Price range (middle 50%) | $16.99 – $24.99 |
| Median reviews | 1 |
| Total reviews | 5 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 2 |
What stands out
- 57% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $24.99, 113% above the median of their main category, Criminal Law.
- 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Bill Hartzer's best-ranked books
-
The Expert Record: The Standard for Expert Witnesses Using AI
by Bill Hartzer
- Price$24.99
- Rating5.0
- Reviews1
-
The Expert Record: The Standard for Expert Witnesses Using AI
by Bill Hartzer
- Price$16.99
- Rating5.0
- Reviews1
- Published2026-09
-
How to Make Money With Your Social Media Influence
by Bill Hartzer
- Price$2.99
- Rating3.8
- Reviews2
-
The Expert Record: The Standard for Expert Witnesses Using AI
by Bill Hartzer
- Price-
- Rating5.0
- Reviews1
- Published2026-09
-
The Unofficial Ballot: Trust, Risk, and Taking Sides in a Divided Era
by Bill Hartzer
- Price$0
- Reviews-
- Published2026-09
-
The Unofficial Ballot: Trust, Risk, and Taking Sides in a Divided Era
by Bill Hartzer
- Price$24.99
- Reviews-
-
The Unofficial Ballot: Trust, Risk, and Taking Sides in a Divided Era
by Bill Hartzer
- Price$28
- Reviews-
- Published2026-09
Main categories
FAQ
How many books does Bill Hartzer have on Amazon?
KDPTop tracks 7 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Bill Hartzer publish in?
Their books chart most often in Criminal Law, Rules & Procedures, Witnesses.
How does Bill Hartzer price their books?
The median price is $24.99; half of the books cost $16.99–$24.99.
Has Bill Hartzer 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.