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Cathy O'Neil: Amazon KDP author data
As of Nov 6, 2026, Cathy O'Neil has 6 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #2), mostly in Privacy & Surveillance, Education & Reference, Data Processing.
| Median price | $12.72 |
|---|---|
| Price range (middle 50%) | $9.37 – $19.20 |
| Median reviews | 5,040 |
| Total reviews | 20,519 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 83% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.72, 27% below the median of their main category, Privacy & Surveillance.
Cathy O'Neil's best-ranked books
-
Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy
by Cathy O'Neil
- Price$8.99
- Rating4.4
- Reviews5,042
-
Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy
by Cathy O'Neil
- Price$9.95
- Rating4.4
- Reviews5,042
- Published2017-09
-
Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy
by Cathy O'Neil
- Price$14.95
- Rating4.4
- Reviews5,042
-
Doing Data Science: Straight Talk from the Frontline
by Cathy O'Neil
- Price$20.61
- Rating4.4
- Reviews235
-
The Shame Machine: Who Profits in the New Age of Humiliation
by Cathy O'Neil
- Price$6.99
- Rating4.1
- Reviews119
-
Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy
by Cathy O'Neil
- Price$26
- Rating4.4
- Reviews5,040
- Published2016-09
Main categories
FAQ
How many books does Cathy O'Neil have on Amazon?
KDPTop tracks 6 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Cathy O'Neil publish in?
Their books chart most often in Privacy & Surveillance, Education & Reference, Data Processing.
How does Cathy O'Neil price their books?
The median price is $12.72; half of the books cost $9.37–$19.20.
Has Cathy O'Neil 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.