KDP categories · Top KDP authors
Grant Mercer: Amazon KDP author data
As of Nov 6, 2026, Grant Mercer has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #4), mostly in Sports Medicine, Pharmacology, Pharmacodynamics.
| Median price | $11.81 |
|---|---|
| Price range (middle 50%) | $8.40 – $15.22 |
| Median reviews | 8 |
| Total reviews | 16 |
| New listings (30 days, incl. new editions) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $11.81, 68% below the median of their main category, Sports Medicine.
Grant Mercer's best-ranked books
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The Complete Peptide Playbook Made Easy: Practical Protocols, Stacks and Dosages for Men, Women and beginners for Weight Loss, Muscle Growth, Hair & ... & Longevity Personalized to Your Age, Biology
by Grant Mercer
- Price$18.63
- Rating4.7
- Reviews8
- Published2026-09
-
The Complete Peptide Playbook Made Easy: Practical Protocols, Stacks and Dosages for Men, Women and beginners for Weight Loss, Muscle Growth, Hair & Skin, Brain Health, Gut Health, Energy, Recovery
by Grant Mercer
- Price$4.99
- Rating4.7
- Reviews8
- Published2026-09
Main categories
FAQ
How many books does Grant Mercer have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Grant Mercer publish in?
Their books chart most often in Sports Medicine, Pharmacology, Pharmacodynamics.
How does Grant Mercer price their books?
The median price is $11.81; half of the books cost $8.40–$15.22.
Has Grant Mercer released new books recently?
2 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.