KDP categories · Top KDP authors
J. Blue: Amazon KDP author data
As of Nov 6, 2026, J. Blue has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #35), mostly in Dystopian, Dystopian & Post-Apocalyptic, Humorous.
| Median price | $7.99 |
|---|---|
| Price range (middle 50%) | $7.99 – $9.99 |
| Median reviews | 1 |
| Total reviews | 10 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $7.99, 47% below the median of their main category, Dystopian.
- 9 new books in the last 30 days, 1 of them broke into a Best Sellers list.
J. Blue's best-ranked books
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Spam Girl: A Story from a Doomed World (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$7.99
- Rating4.7
- Reviews4
- Published2026-08
-
Ads From a Doomed World (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$9.99
- Rating5.0
- Reviews1
-
Spam Girl Vol 2: Spam Girl Dies! (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$7.99
- Rating5.0
- Reviews1
- Published2026-08
-
Spam Girl Vol. 5: I've Been Sleepwalking (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$29.99
- Rating5.0
- Reviews1
-
Spam Girl Vol 2: Spam Girl Dies! (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$29.99
- Rating5.0
- Reviews1
-
Spam Girl Vol. 6: Ten (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$7.99
- Rating5.0
- Reviews1
- Published2026-09
-
Spam Girl Vol. 5: I've Been Sleepwalking (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$7.99
- Rating5.0
- Reviews1
-
Spam Girl Vol. 3: Try and Stop Me (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$8.99
- Reviews-
- Published2026-09
-
Spam Girl Vol. 4: Charlotte's Story (Spam Girl - A Story from a Doomed World)
by J. Blue
- Price$7.99
- Reviews-
Main categories
FAQ
How many books does J. Blue have on Amazon?
KDPTop tracks 9 of their books; 9 made an Amazon list in the last 30 days.
Which categories does J. Blue publish in?
Their books chart most often in Dystopian, Dystopian & Post-Apocalyptic, Humorous.
How does J. Blue price their books?
The median price is $7.99; half of the books cost $7.99–$9.99.
Has J. Blue released new books recently?
9 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.