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Tom Kerss: Amazon KDP author data
As of Nov 6, 2026, Tom Kerss has 7 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #8), mostly in Astrophotography, Astrophysics & Space Science, Astronomy.
| Median price | $16.99 |
|---|---|
| Price range (middle 50%) | $9.52 – $29.49 |
| Median reviews | 70 |
| Total reviews | 702 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 2 |
What stands out
- 86% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $16.99, 19% below the median of their main category, Astrophotography.
- 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Tom Kerss's best-ranked books
-
Northern Lights: The definitive guide to auroras
by Tom Kerss
- Price$9.99
- Rating4.6
- Reviews245
-
Observing our Solar System: A beginner’s guide
by Tom Kerss
- Price$6.49
- Rating4.8
- Reviews126
-
Diamonds Everywhere: Awe-Inspiring Astronomy Discoveries
by Tom Kerss
- Price$9.04
- Rating4.8
- Reviews70
-
Northern Lights: The Definitive Guide to Auroras
by Tom Kerss
- Price$16.99
- Rating4.8
- Reviews26
-
Unknown Universe: Discover hidden wonders from deep space unveiled by the James Webb Space Telescope
by Tom Kerss
- Price$25.99
- Rating4.7
- Reviews146
-
-
Beginner's Guides of Astronomy 4 Books Collection Box Set (Stargazing, Moongazing, Northern Lights & Observing our Solar System)
by Tom Kerss
- Price$35.99
- Rating4.7
- Reviews62
Main categories
FAQ
How many books does Tom Kerss have on Amazon?
KDPTop tracks 7 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Tom Kerss publish in?
Their books chart most often in Astrophotography, Astrophysics & Space Science, Astronomy.
How does Tom Kerss price their books?
The median price is $16.99; half of the books cost $9.52–$29.49.
Has Tom Kerss released new books recently?
3 new books in the last 30 days, 2 of which reached a Best Sellers list.
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.