KDP categories · Top KDP authors
Martha A. Brown: Amazon KDP author data
As of Nov 6, 2026, Martha A. Brown has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #24), mostly in Education, Psychology, Trauma Psychology.
| Median price | $41.95 |
|---|---|
| Price range (middle 50%) | $39.42 – $44.48 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $41.95, 108% above the median of their main category, Education.
Martha A. Brown's best-ranked books
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Trauma-Informed Evaluation and Research: A Practical Guide
by Martha A. Brown
- Price$47
- Reviews-
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Trauma-Informed Evaluation and Research: A Practical Guide
by Martha A. Brown
- Price$36.90
- Reviews-
Main categories
FAQ
How many books does Martha A. Brown have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Martha A. Brown publish in?
Their books chart most often in Education, Psychology, Trauma Psychology.
How does Martha A. Brown price their books?
The median price is $41.95; half of the books cost $39.42–$44.48.
Has Martha A. Brown released new books recently?
2 new books in the last 30 days, 1 of which reached a Best Sellers list.
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.