Is "space opera" profitable on KDP?
What the top Amazon Kindle Store results for space opera are estimated to earn, measured with BookScope on September 2026.
Medium 16 results on the first page, 16 with a Best Sellers Rank
$2,471Median revenue / month
$2,485Average revenue / month
2,544Average reviews
63%Independently published
0.8 yrs · 88% newNiche age
Why Medium
- Money is here — median $2,471/mo.
- Entrenched: 2,544 reviews on average.
- Crowded: over 50,000 results.
- Hot: 88% of these books came out in the last year.
Top results at a glance
| # | Best Sellers Rank | Format | Pages |
|---|---|---|---|
| 1 | #4,962 | Kindle | 619 |
| 2 | #3,548 | Kindle | 321 |
| 3 | #490 | Kindle | 470 |
| 4 | #1,960 | Kindle | 256 |
| 5 | #1,086 | Kindle | 301 |
| 6 | #6,326 | Kindle | 484 |
| 7 | #2,867 | Kindle | 373 |
| 8 | #2,797 | Kindle | 277 |
| 9 | #1,803 | Kindle | 312 |
| 10 | #6,519 | Kindle | 331 |
| 11 | #1,397 | Kindle | 283 |
| 12 | #12,135 | Kindle | 394 |
Get these numbers for any search
BookScope is a Chrome extension that puts this under every book on Amazon search and Best Sellers pages — six stores, Kindle and print, KDP's real royalty terms. The first 5 results on every page are free.
Add BookScope to Chrome — free
Search checked: https://www.amazon.com/s?k=space+opera&i=digital-text · 2026-09-10