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Mary Otto: Amazon KDP author data
As of Nov 6, 2026, Mary Otto has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #2), mostly in Health Policy, Poverty, Social Services & Welfare.
| Median price | $11.44 |
|---|---|
| Price range (middle 50%) | $7.71 – $14.39 |
| Median reviews | 344 |
| Total reviews | 1,032 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $11.44, 45% below the median of their main category, Health Policy.
Mary Otto's best-ranked books
-
Teeth: The Story of Beauty, Inequality, and the Struggle for Oral Health in America
by Mary Otto
- Price$3.99
- Rating4.7
- Reviews344
-
Teeth: The Story of Beauty, Inequality, and the Struggle for Oral Health in America
by Mary Otto
- Price$11.44
- Rating4.7
- Reviews344
-
Teeth: The Story of Beauty, Inequality, and the Struggle for Oral Health in America
by Mary Otto
- Price$17.35
- Rating4.7
- Reviews344
Main categories
FAQ
How many books does Mary Otto have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Mary Otto publish in?
Their books chart most often in Health Policy, Poverty, Social Services & Welfare.
How does Mary Otto price their books?
The median price is $11.44; half of the books cost $7.71–$14.39.
Has Mary Otto 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.