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Bruce Ratner: Amazon KDP author data
As of Nov 6, 2026, Bruce Ratner has 4 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #13), mostly in Health Risk Assessment, Preventive Medicine, Bioengineering.
| Median price | $14.81 |
|---|---|
| Price range (middle 50%) | $13.85 – $15.55 |
| Median reviews | 136 |
| Total reviews | 544 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $14.81, 36% below the median of their main category, Health Risk Assessment.
Bruce Ratner's best-ranked books
-
Early Detection: Catching Cancer When It's Curable
by Bruce Ratner
- Price$12.88
- Rating4.6
- Reviews136
-
Early Detection: Catching Cancer When It's Curable
by Bruce Ratner
- Price$14.81
- Rating4.6
- Reviews136
-
Early Detection: Catching Cancer When It's Curable
by Bruce Ratner
- Price$0
- Rating4.6
- Reviews136
- Published2024-06
-
Early Detection: Catching Cancer When It's Curable
by Bruce Ratner
- Price$16.29
- Rating4.6
- Reviews136
- Published2026-01
Main categories
FAQ
How many books does Bruce Ratner have on Amazon?
KDPTop tracks 4 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Bruce Ratner publish in?
Their books chart most often in Health Risk Assessment, Preventive Medicine, Bioengineering.
How does Bruce Ratner price their books?
The median price is $14.81; half of the books cost $13.85–$15.55.
Has Bruce Ratner 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.