KDP categories · Top KDP authors
Helen Czerski: Amazon KDP author data
As of Nov 6, 2026, Helen Czerski has 10 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #6), mostly in Geophysics, Climatology, Ecosystems.
| Median price | $13.72 |
|---|---|
| Price range (middle 50%) | $12.24 – $15.25 |
| Median reviews | 1,811 |
| Total reviews | 12,910 |
| 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 $13.72, 54% below the median of their main category, Geophysics.
Helen Czerski's best-ranked books
-
The Blue Machine: How the Ocean Works
by Helen Czerski
- Price$14.01
- Rating4.6
- Reviews965
-
The Blue Machine: How the Ocean Works
by Helen Czerski
- Price$9.99
- Rating4.6
- Reviews964
-
The Blue Machine: How the Ocean Works
by Helen Czerski
- Price$15.10
- Rating4.6
- Reviews964
-
The Blue Machine: How the Ocean Works
by Helen Czerski
- Price$17.69
- Rating4.6
- Reviews964
-
Storm in a Teacup: The Physics of Everyday Life
by Helen Czerski
- Price$13.43
- Rating4.5
- Reviews1,811
- Published2018-01
-
Storm in a Teacup: The Physics of Everyday Life
by Helen Czerski
- Price-
- Rating4.5
- Reviews1,811
-
Storm in a Teacup: The Physics of Everyday Life
by Helen Czerski
- Price-
- Rating4.5
- Reviews1,811
-
Storm in a Teacup: The Physics of Everyday Life
by Helen Czerski
- Price$15.69
- Rating4.5
- Reviews1,811
-
Storm in a Teacup: The Physics of Everyday Life
by Helen Czerski
- Price$9.99
- Rating4.5
- Reviews1,811
-
La máquina azul: Cómo el océano moldea nuestro mundo (Spanish Edition)
by Helen Czerski
- Price$12.99
- Reviews-
Main categories
FAQ
How many books does Helen Czerski have on Amazon?
KDPTop tracks 10 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Helen Czerski publish in?
Their books chart most often in Geophysics, Climatology, Ecosystems.
How does Helen Czerski price their books?
The median price is $13.72; half of the books cost $12.24–$15.25.
Has Helen Czerski 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.