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Christian Kallias: Amazon KDP author data
As of Nov 6, 2026, Christian Kallias has 2 books on Amazon, 1 of them on a best-seller list in the last 30 days (best rank #2), mostly in Space Fleet, Science Fiction, Space Exploration.
| Median price | $0.99 |
|---|---|
| Price range (middle 50%) | $0.99 – $0.99 |
| Median reviews | 312 |
| Total reviews | 623 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $0.99, 80% below the median of their main category, Space Fleet.
Christian Kallias's best-ranked books
-
Shattered Starship
by Christian Kallias
- Price$0.99
- Rating4.3
- Reviews323
- Published2026-09
-
Dominion: Season 2 (Dark Legacy Ep. 4) (Universe in Flames Book 14)
by Christian Kallias
- Price$0
- Rating4.8
- Reviews300
- Published2020-12
-
Pew! Pew! Volume 2: The Quest for More Pew!
by Christian Kallias
- Price$18.99
- Rating4.1
- Reviews51
- Published2017-08
Main categories
FAQ
How many books does Christian Kallias have on Amazon?
KDPTop tracks 2 of their books; 1 made an Amazon list in the last 30 days.
Which categories does Christian Kallias publish in?
Their books chart most often in Space Fleet, Science Fiction, Space Exploration.
How does Christian Kallias price their books?
The median price is $0.99; half of the books cost $0.99–$0.99.
Has Christian Kallias released new books recently?
1 new book in the last 30 days, 1 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.