KDP categories · Top KDP authors
Craig Clapper: Amazon KDP author data
As of Nov 6, 2026, Craig Clapper has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #7), mostly in Family Practice, Pharmaceutical & Biotechnology, Hospital Administration.
| Median price | $17.01 |
|---|---|
| Price range (middle 50%) | $16.73 – $17.20 |
| Median reviews | 146 |
| Total reviews | 438 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $17.01, 70% below the median of their main category, Family Practice.
Craig Clapper's best-ranked books
-
Zero Harm: How to Achieve Patient and Workforce Safety in Healthcare
by Craig Clapper
- Price$16.45
- Rating4.6
- Reviews146
-
Zero Harm: How to Achieve Patient and Workforce Safety in Healthcare
by Craig Clapper
- Price$17.01
- Rating4.6
- Reviews146
-
Zero Harm: How to Achieve Patient and Workforce Safety in Healthcare
by Craig Clapper
- Price$17.39
- Rating4.6
- Reviews146
Main categories
FAQ
How many books does Craig Clapper have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Craig Clapper publish in?
Their books chart most often in Family Practice, Pharmaceutical & Biotechnology, Hospital Administration.
How does Craig Clapper price their books?
The median price is $17.01; half of the books cost $16.73–$17.20.
Has Craig Clapper 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.