KDP categories · Top KDP authors
A.K. DuBoff: Amazon KDP author data
As of Nov 6, 2026, A.K. DuBoff has 16 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #21), mostly in Space Exploration, Space Fleet, Space Opera.
| Median price | $5.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $5.99 |
| Median reviews | 533 |
| Total reviews | 21,002 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- 75% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $5.99, 20% above the median of their main category, Space Exploration.
A.K. DuBoff's best-ranked books
-
Stranded (Starship of the Ancients Book 1): A Space Opera Adventure
by A.K. DuBoff
- Price$4.99
- Rating4.2
- Reviews8,167
-
Shadows of Empire: An Epic Space Opera (Cadicle Book 1)
by A.K. DuBoff
- Price$3.99
- Rating4.4
- Reviews715
-
Path of Justice: An Epic Space Opera (Cadicle Book 4)
by A.K. DuBoff
- Price$4.99
- Rating4.6
- Reviews286
-
Lost Planet (Starship of the Ancients Book 2): A Space Opera Adventure
by A.K. DuBoff
- Price$5.99
- Rating4.4
- Reviews4,148
-
Scions of Change: An Epic Space Opera (Cadicle Book 5)
by A.K. DuBoff
- Price$4.99
- Rating4.6
- Reviews380
-
Web of Truth: An Epic Space Opera (Cadicle Book 2)
by A.K. DuBoff
- Price$4.99
- Rating4.5
- Reviews533
-
Last Stand (Starship of the Ancients Book 4): A Space Opera Adventure
by A.K. DuBoff
- Price$5.99
- Rating4.6
- Reviews1,389
-
Star's Edge (Starship of the Ancients Book 5): A Space Opera Adventure
by A.K. DuBoff
- Price$5.99
- Rating4.6
- Reviews840
-
Rebel Worlds (Starship of the Ancients Book 3): A Space Opera Adventure
by A.K. DuBoff
- Price$5.99
- Rating4.5
- Reviews2,220
-
A Light in the Dark: A Sci-Fi Progression Adventure (Dark Stars Book 2)
by A.K. DuBoff
- Price$3.99
- Rating4.5
- Reviews196
Main categories
FAQ
How many books does A.K. DuBoff have on Amazon?
KDPTop tracks 16 of their books; 12 made an Amazon list in the last 30 days.
Which categories does A.K. DuBoff publish in?
Their books chart most often in Space Exploration, Space Fleet, Space Opera.
How does A.K. DuBoff price their books?
The median price is $5.99; half of the books cost $4.99–$5.99.
Has A.K. DuBoff released new books recently?
2 new books 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.