KDP categories · Top KDP authors
Thelma Harms: Amazon KDP author data
As of Nov 6, 2026, Thelma Harms has 6 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #3), mostly in Assessment, Early Childhood Education, Education Standards.
| Median price | $28.45 |
|---|---|
| Price range (middle 50%) | $22.04 – $30.95 |
| Median reviews | 383 |
| Total reviews | 2,743 |
| New listings (30 days, incl. new editions) | 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 $28.45, 42% above the median of their main category, Assessment.
Thelma Harms's best-ranked books
-
School-Age Care Environment Rating Scale Updated (SACERS)
by Thelma Harms
- Price$30.95
- Rating4.7
- Reviews281
-
Early Childhood Environment Rating Scale (ECERS-3)
by Thelma Harms
- Price$20.73
- Rating4.8
- Reviews979
-
Infant/Toddler Environment Rating Scale (ITERS-3)
by Thelma Harms
- Price$25.95
- Rating4.8
- Reviews485
- Published2017-07
-
Family Child Care Environment Rating Scale (FCCERS-3)
by Thelma Harms
- Price$30.95
- Rating4.9
- Reviews153
-
Early Childhood Environment Rating Scale (ECERS-R): Revised Edition
by Thelma Harms
- Price$19.72
- Rating4.6
- Reviews564
-
School Age Care Environment Rating Scale
by Thelma Harms
- Price$75.78
- Rating4.7
- Reviews281
- Published1995-01
Main categories
FAQ
How many books does Thelma Harms have on Amazon?
KDPTop tracks 6 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Thelma Harms publish in?
Their books chart most often in Assessment, Early Childhood Education, Education Standards.
How does Thelma Harms price their books?
The median price is $28.45; half of the books cost $22.04–$30.95.
Has Thelma Harms 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.