KDP categories · Top KDP authors
J Penner: Amazon KDP author data
As of Nov 6, 2026, J Penner has 35 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #28), mostly in Humorous Fiction, Gaslamp, Fantasy Fiction.
| Median price | $10.11 |
|---|---|
| Price range (middle 50%) | $7.07 – $16.48 |
| Median reviews | 1,111 |
| Total reviews | 49,205 |
| New books (30 days) | 5 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $10.11, 26% below the median of their main category, Humorous Fiction.
- 5 new books in the last 30 days, 3 of them broke into a Best Sellers list.
J Penner's best-ranked books
-
A Fellowship of Bakers & Magic: Adenashire, A Cozy Fantasy Book Series
by J Penner
- Price$3.99
- Rating4.3
- Reviews5,340
-
A Fellowship of Bakers & Magic (Deluxe Edition) (Adenashire, 1)
by J Penner
- Price$8.99
- Rating4.3
- Reviews5,340
-
A Fellowship of Curses & Cats (Deluxe Edition) (Adenashire, 4)
by J Penner
- Price$14.65
- Rating4.4
- Reviews943
- Published2026-08
-
A Fellowship of Games & Fables: Adenashire: A Cozy Fantasy Book Series
by J Penner
- Price$17.02
- Rating4.3
- Reviews1,283
-
A Fellowship of Games & Fables (Deluxe Edition) (Adenashire, 3)
by J Penner
- Price$10.03
- Rating4.3
- Reviews1,286
-
A Fellowship of Librarians & Dragons (Standard Edition) (Adenashire, 2)
by J Penner
- Price$10.20
- Rating4.3
- Reviews2,278
-
A Fellowship of Academics & Arts (Deluxe Edition) (Adenashire, 5)
by J Penner
- Price$18.99
- Rating4.5
- Reviews567
- Published2026-11
-
A Fellowship of Librarians & Dragons: Adenashire, A Cozy Fantasy Book Series
by J Penner
- Price$5.99
- Rating4.3
- Reviews2,279
-
A Fellowship of Academics & Arts (Standard Edition) (Adenashire, 5)
by J Penner
- Price$18.99
- Reviews-
- Published2026-11
-
A Fellowship of Curses & Cats: Adenashire, A Cozy Fantasy Book Series
by J Penner
- Price$7.99
- Rating4.4
- Reviews943
Main categories
FAQ
How many books does J Penner have on Amazon?
KDPTop tracks 35 of their books; 13 made an Amazon list in the last 30 days.
Which categories does J Penner publish in?
Their books chart most often in Humorous Fiction, Gaslamp, Fantasy Fiction.
How does J Penner price their books?
The median price is $10.11; half of the books cost $7.07–$16.48.
Has J Penner released new books recently?
5 new books in the last 30 days, 3 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.