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Jill Kalz: Amazon KDP author data
As of Nov 6, 2026, Jill Kalz has 9 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #1), mostly in Reference, Language Study, Education & Reference.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $8.47 – $9.47 |
| Median reviews | 24 |
| Total reviews | 122 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 56% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $8.99, 29% above the median of their main category, Reference.
Jill Kalz's best-ranked books
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My First French Phrases (Speak Another Language!)
by Jill Kalz
- Price$8.99
- Rating4.3
- Reviews24
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My First Japanese Phrases (Speak Another Language!)
by Jill Kalz
- Price$7.95
- Rating4.4
- Reviews10
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My First Mandarin Chinese Phrases (Speak Another Language!)
by Jill Kalz
- Price$8.99
- Rating3.8
- Reviews15
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My First Spanish Phrases (Speak Another Language!)
by Jill Kalz
- Price$8.99
- Rating4.6
- Reviews44
-
Halloween Hide and Seek: Hidden Picture Puzzles (Seek It Out)
by Jill Kalz
- Price$9.95
- Rating4.6
- Reviews29
- Published2012-08
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Bean at Waggle World (Capstone Early Readers: Adventures of Bean)
by Jill Kalz
- Price$7.59
- Reviews-
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Bean's Big Dreams (Capstone Early Readers: Adventures of Bean)
by Jill Kalz
- Price$22.65
- Reviews-
Main categories
FAQ
How many books does Jill Kalz have on Amazon?
KDPTop tracks 9 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Jill Kalz publish in?
Their books chart most often in Reference, Language Study, Education & Reference.
How does Jill Kalz price their books?
The median price is $8.99; half of the books cost $8.47–$9.47.
Has Jill Kalz released new books recently?
1 new book 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.