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Jason R Williams: Amazon KDP author data
As of Nov 6, 2026, Jason R Williams has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #4), mostly in Breast Cancer, Bone Cancer, Brain Cancer.
| Median price | $5.25 |
|---|---|
| Price range (middle 50%) | $3.12 – $7.37 |
| Median reviews | 264 |
| Total reviews | 528 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $5.25, 67% below the median of their main category, Breast Cancer.
Jason R Williams's best-ranked books
-
The Immunotherapy Revolution: The Best New Hope For Saving Cancer Patients' Lives
by Jason R Williams
- Price$9.50
- Rating4.6
- Reviews264
-
The Immunotherapy Revolution: The Best New Hope For Saving Cancer Patients' Lives
by Jason R Williams
- Price$0.99
- Rating4.6
- Reviews264
Main categories
FAQ
How many books does Jason R Williams have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Jason R Williams publish in?
Their books chart most often in Breast Cancer, Bone Cancer, Brain Cancer.
How does Jason R Williams price their books?
The median price is $5.25; half of the books cost $3.12–$7.37.
Has Jason R Williams 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.