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Bertt Arina: Amazon KDP author data
Bertt Arina has 6 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #11), mostly in Superhero, Superheroes, Action & Adventure.
6Books on Amazon
5Listed in 30 days
4.6Average rating
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $4.99 |
| Median reviews | 64 |
| Total reviews | 412 |
| New books (30 days) | 5 |
| Breakout books (30 days) | 3 |
What stands out
- 83% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $4.99, 17% below the median of their main category, Superhero.
- 5 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Bertt Arina's best-ranked books
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Moneymaker 1: Superhero Academy LitRPG
by Bertt Arina
- Price$4.99
- Rating4.6
- Reviews250
-
Max Level Retiree 1: OPMC LitRPG Slice of Life Adventure
by Bertt Arina
- Price$4.99
- Rating4.6
- Reviews36
-
Moneymaker 2: Superhero Academy LitRPG
by Bertt Arina
- Price$4.99
- Rating4.6
- Reviews93
-
Max Level Retiree 1: OPMC LitRPG Slice of Life Adventure
by Bertt Arina
- Price$13.99
- Rating4.6
- Reviews34
-
Moneymaker 3: Superhero Academy LitRPG
by Bertt Arina
- Price$4.99
- Reviews-
-
Max Level Retiree 2: OPMC LitRPG Slice of Life Adventure
by Bertt Arina
- Price$4.99
- Reviews-
- Published2026-12
Main categories
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.