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John E. Rock: Amazon KDP author data
As of Nov 6, 2026, John E. Rock has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #14), mostly in Science Fiction, Science Fiction & Fantasy, Futuristic.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.49 – $2.99 |
| Median reviews | 388 |
| Total reviews | 1,696 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $2.99, 78% below the median of their main category, Science Fiction.
John E. Rock's best-ranked books
-
The Infidel: The Mark of the Beast, Book 4
by John E. Rock
- Price$2.99
- Rating4.8
- Reviews102
-
The Mark of the Beast, Book One: The Mark
by John E. Rock
- Price$0.99
- Rating4.5
- Reviews819
-
The Prophet: The Mark of the Beast, Book Two
by John E. Rock
- Price$2.99
- Rating4.6
- Reviews492
-
The Elect: The Mark of the Beast, Book 3
by John E. Rock
- Price$2.99
- Rating4.7
- Reviews285
Main categories
FAQ
How many books does John E. Rock have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does John E. Rock publish in?
Their books chart most often in Science Fiction, Science Fiction & Fantasy, Futuristic.
How does John E. Rock price their books?
The median price is $2.99; half of the books cost $2.49–$2.99.
Has John E. Rock 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.