KDP categories · Top KDP authors
Barry Werth: Amazon KDP author data
Barry Werth has 11 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #4), mostly in Pharmaceutical & Biotechnology, Pharmacology, Company Profiles.
11Books on Amazon
11Listed in 30 days
4.0Average rating
| Median price | $16.38 |
|---|---|
| Price range (middle 50%) | $15.99 – $16.97 |
| Median reviews | 59 |
| Total reviews | 1,221 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $16.38, 18% below the median of their main category, Pharmaceutical & Biotechnology.
Barry Werth's best-ranked books
-
-
The Age of Cures: How American Scientists Saved Your Life
by Barry Werth
- Price$16.99
- Rating3.0
- Reviews10
- Published2026-09
-
The Age of Cures: How American Scientists Saved Your Life
by Barry Werth
- Price$21.72
- Rating3.0
- Reviews10
-
-
The Billion-Dollar Molecule: The Quest for the Perfect Drug
by Barry Werth
- Price$15.99
- Rating4.3
- Reviews279
-
The Billion Dollar Molecule: One Company's Quest for the Perfect Drug
by Barry Werth
- Price$11.19
- Rating4.3
- Reviews279
-
The Billion Dollar Molecule: One Company's Quest for the Perfect Drug
by Barry Werth
- Price$21.59
- Rating4.3
- Reviews279
-
The Antidote: Inside the World of New Pharma
by Barry Werth
- Price$15.99
- Rating4.3
- Reviews93
-
The Antidote: Inside the World of New Pharma
by Barry Werth
- Price-
- Rating4.3
- Reviews93
-
Prisoner of Lies: Jack Downey's Cold War
by Barry Werth
- Price$16.76
- Rating4.2
- Reviews42
Main categories
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.