KDP categories · Top KDP authors
Roy Wenzl: Amazon KDP author data
As of Nov 6, 2026, Roy Wenzl has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #2), mostly in Serial Killers, Criminal Law, Law Enforcement.
| Median price | $7.19 |
|---|---|
| Price range (middle 50%) | $7.01 – $12.39 |
| Median reviews | 2,935 |
| Total reviews | 8,806 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $7.19, 45% below the median of their main category, Serial Killers.
Roy Wenzl's best-ranked books
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Bind, Torture, Kill: The Inside Story of BTK, the Serial Killer Next Door
by Roy Wenzl
- Price$6.83
- Rating4.4
- Reviews2,937
- Published2009-10
-
Bind, Torture, Kill: The Inside Story of BTK, the Serial Killer Next Door ― The Story of the BTK Serial Killer
by Roy Wenzl
- Price$7.19
- Rating4.4
- Reviews2,935
-
Bind, Torture, Kill: The Inside Story of BTK, the Serial Killer Next Door
by Roy Wenzl
- Price$17.59
- Rating4.4
- Reviews2,934
Main categories
FAQ
How many books does Roy Wenzl have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Roy Wenzl publish in?
Their books chart most often in Serial Killers, Criminal Law, Law Enforcement.
How does Roy Wenzl price their books?
The median price is $7.19; half of the books cost $7.01–$12.39.
Has Roy Wenzl released new books recently?
0 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.