KDP categories · Top KDP authors
Stephen C. Kempf: Amazon KDP author data
As of Nov 6, 2026, Stephen C. Kempf has 13 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #17), mostly in Embryology.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 1 |
| Total reviews | 2 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $2.99, 70% below the median of their main category, Embryology.
Stephen C. Kempf's best-ranked books
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24hr Chicken Embryo Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
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33hr Chicken Embryo Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
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10mm Pig Embryo Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Rating5.0
- Reviews1
-
33hr Chicken Embryo Serial Sagittal Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
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72hr Chicken Embryo Serial Sagittal Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
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10mm Frog Tadpole Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
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7mm Frog Tadpole Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
-
6mm Pig Embryo Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
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48hr Chicken Embryo Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Rating5.0
- Reviews1
-
96hr Chicken Embryo Serial Transverse Sections: Digital Lab Manual for Vertebrate Development
by Stephen C. Kempf
- Price$2.99
- Reviews-
Main categories
FAQ
How many books does Stephen C. Kempf have on Amazon?
KDPTop tracks 13 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Stephen C. Kempf publish in?
Their books chart most often in Embryology.
How does Stephen C. Kempf price their books?
The median price is $2.99; half of the books cost $2.99–$2.99.
Has Stephen C. Kempf 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.