KDP categories · Top KDP authors
David Jenyns: Amazon KDP author data
As of Nov 6, 2026, David Jenyns has 8 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #1), mostly in Knowledge Capital, Infrastructure, Outsourcing.
| Median price | $13.68 |
|---|---|
| Price range (middle 50%) | $2.99 – $17.73 |
| Median reviews | 553 |
| Total reviews | 3,821 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 75% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $13.68, 20% below the median of their main category, Knowledge Capital.
David Jenyns's best-ranked books
-
SYSTEMology: Create time, reduce errors and scale your profits with proven business systems
by David Jenyns
- Price$2.99
- Rating4.6
- Reviews872
- Published2020-08
-
SYSTEMology: Create time, reduce errors and scale your profits with proven business systems
by David Jenyns
- Price$16.98
- Rating4.6
- Reviews872
-
Systemology: Create Time, Reduce Errors and Scale Your Profits with Proven Business Systems
by David Jenyns
- Price$14.25
- Rating4.6
- Reviews872
-
Systems Champion: Simplify Business Processes, Unlock Team Potential & Achieve True Freedom
by David Jenyns
- Price$2.99
- Rating4.9
- Reviews33
- Published2025-08
-
Systems Champion: Simplify Business Processes, Unlock Team Potential & Achieve True Freedom
by David Jenyns
- Price$13.11
- Rating4.9
- Reviews33
-
Authority Content: The Simple System for Building Your Brand, Sales, and Credibility
by David Jenyns
- Price$2.99
- Rating4.4
- Reviews234
-
SYSTEMology: Create time, reduce errors and scale your profits with proven business systems
by David Jenyns
- Price$25
- Rating4.6
- Reviews872
- Published2020-08
-
Systems Champion: Simplify Business Processes, Unlock Team Potential & Achieve True Freedom
by David Jenyns
- Price$19.99
- Rating4.9
- Reviews33
- Published2025-08
Main categories
FAQ
How many books does David Jenyns have on Amazon?
KDPTop tracks 8 of their books; 6 made an Amazon list in the last 30 days.
Which categories does David Jenyns publish in?
Their books chart most often in Knowledge Capital, Infrastructure, Outsourcing.
How does David Jenyns price their books?
The median price is $13.68; half of the books cost $2.99–$17.73.
Has David Jenyns 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.