KDP categories · Top KDP authors
Gretchen Bitterlin: Amazon KDP author data
As of Nov 6, 2026, Gretchen Bitterlin has 21 books on Amazon, 19 of them on a best-seller list in the last 30 days (best rank #19), mostly in English as a Second Language, Foreign Languages, Language Study & Reference.
| Median price | $29.45 |
|---|---|
| Price range (middle 50%) | $23.62 – $40.50 |
| Median reviews | 225 |
| Total reviews | 6,909 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 90% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $29.45, 87% above the median of their main category, English as a Second Language.
Gretchen Bitterlin's best-ranked books
-
Ventures Level 2 Value Pack
by Gretchen Bitterlin
- Price$45.01
- Rating4.6
- Reviews1,227
-
Ventures Level 1 Student's Book
by Gretchen Bitterlin
- Price$26.97
- Rating4.7
- Reviews554
-
Ventures Basic Student's Book
by Gretchen Bitterlin
- Price$20.12
- Rating4.6
- Reviews302
-
Ventures Level 3 Student's Book
by Gretchen Bitterlin
- Price$23.69
- Rating4.6
- Reviews377
-
Ventures Transitions Level 5 Value Pack
by Gretchen Bitterlin
- Price$33.85
- Rating4.6
- Reviews100
-
Ventures Level 1 Workbook
by Gretchen Bitterlin
- Price$18.92
- Rating4.6
- Reviews346
-
Ventures Level 3 Value Pack
by Gretchen Bitterlin
- Price$33.14
- Rating4.6
- Reviews743
-
Ventures Level 1 Value Pack
by Gretchen Bitterlin
- Price$46.25
- Rating4.7
- Reviews1,133
-
Ventures Level 2 Student's Book
by Gretchen Bitterlin
- Price$40.50
- Rating4.3
- Reviews13
-
Ventures Level 4 Value Pack
by Gretchen Bitterlin
- Price$45.93
- Rating4.5
- Reviews618
Main categories
FAQ
How many books does Gretchen Bitterlin have on Amazon?
KDPTop tracks 21 of their books; 19 made an Amazon list in the last 30 days.
Which categories does Gretchen Bitterlin publish in?
Their books chart most often in English as a Second Language, Foreign Languages, Language Study & Reference.
How does Gretchen Bitterlin price their books?
The median price is $29.45; half of the books cost $23.62–$40.50.
Has Gretchen Bitterlin 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.