KDP categories · Top KDP authors
Mark Harold: Amazon KDP author data
As of Nov 6, 2026, Mark Harold has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #5), mostly in Administration & Policy, Test Preparation & Review, Pharmacy.
| Median price | $27.98 |
|---|---|
| Price range (middle 50%) | $23.98 – $31.98 |
| Median reviews | 514 |
| Total reviews | 1,028 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $27.98, 180% above the median of their main category, Administration & Policy.
Mark Harold's best-ranked books
-
PTCB Exam Prep: Achieve Success in Pharmacy Technician Certification with a 6-Week Study Plan | Complete Guide with 900 Test Questions and Practical Strategies
by Mark Harold
- Price$35.99
- Rating4.3
- Reviews514
-
PTCB Exam Prep: Achieve Success in Pharmacy Technician Certification with a 6-Week Study Plan | Complete Guide with 900 Test Questions and Practical Strategies
by Mark Harold
- Price$19.97
- Rating4.3
- Reviews514
- Published2025-01
Main categories
FAQ
How many books does Mark Harold have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Mark Harold publish in?
Their books chart most often in Administration & Policy, Test Preparation & Review, Pharmacy.
How does Mark Harold price their books?
The median price is $27.98; half of the books cost $23.98–$31.98.
Has Mark Harold 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.