KDP categories · Top KDP authors
Randal Sloan: Amazon KDP author data
As of Nov 6, 2026, Randal Sloan has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days, mostly in Space Opera, Galactic Empire, Science Fiction.
| Median price | $3.99 |
|---|---|
| Price range (middle 50%) | $3.99 – $3.99 |
| Median reviews | 332 |
| Total reviews | 1,832 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $3.99, 20% below the median of their main category, Space Opera.
Randal Sloan's best-ranked books
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Defenders of the Rim: Beginnings: A Far Future SciFi Thriller
by Randal Sloan
- Price$0
- Rating4.3
- Reviews1,164
- Published2017-06
-
Awakening: A Near Future Sci-Fi Thriller
by Randal Sloan
- Price$0
- Rating4.2
- Reviews589
-
-
Progression: A Time Regression LitRPG Adventure (System Future Book 2)
by Randal Sloan
- Price$3.99
- Rating5.0
- Reviews3
Main categories
FAQ
How many books does Randal Sloan have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Randal Sloan publish in?
Their books chart most often in Space Opera, Galactic Empire, Science Fiction.
How does Randal Sloan price their books?
The median price is $3.99; half of the books cost $3.99–$3.99.
Has Randal Sloan released new books recently?
1 new book in the last 30 days.
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.