KDP categories · Top KDP authors
Justin Gray: Amazon KDP author data
As of Nov 6, 2026, Justin Gray has 35 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #4), mostly in Mystery, Dystopian, Apocalyptic & Post-Apocalyptic.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $1.99 – $9.99 |
| Median reviews | 13 |
| Total reviews | 2,281 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 2 |
What stands out
- Only 14% of the catalog charted in the last 30 days; sales rest on a few titles.
- Median price $2.99, 84% below the median of their main category, Mystery.
- 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Justin Gray's best-ranked books
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Jonah Hex: Bury Me In Hell (Jonah Hex (2006-2011))
by Justin Gray
- Price$9.99
- Rating4.7
- Reviews43
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Jonah Hex (2006-2011) Vol. 10: Tall Tales
by Justin Gray
- Price$9.59
- Rating4.6
- Reviews47
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Wool: The Graphic Novel
by Justin Gray
- Price$15.88
- Rating4.2
- Reviews1,418
- Published2014-08
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Power Girl (2009-): Power Trip (Power Girl (2009-2011))
by Justin Gray
- Price$16.19
- Rating4.5
- Reviews289
- Published2023-03
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Sex and Violence: Vol. 2
by Justin Gray
- Price$6.99
- Rating3.8
- Reviews105
- Published2015-01
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Wool #1 (of 6)
by Justin Gray
- Price$0.99
- Rating3.9
- Reviews55
- Published2014-06
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Jonah Hex: All-Star Western Omnibus
by Justin Gray
- Price$75.45
- Rating4.8
- Reviews43
- Published2025-10
-
Secret Invasion: Rise Of The Skrulls (Secret Invasion (2008))
by Justin Gray
- Price$19.99
- Rating4.8
- Reviews41
- Published2018-07
Main categories
FAQ
How many books does Justin Gray have on Amazon?
KDPTop tracks 35 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Justin Gray publish in?
Their books chart most often in Mystery, Dystopian, Apocalyptic & Post-Apocalyptic.
How does Justin Gray price their books?
The median price is $2.99; half of the books cost $1.99–$9.99.
Has Justin Gray released new books recently?
3 new books in the last 30 days, 2 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.