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James Kochalka: Amazon KDP author data
As of Nov 6, 2026, James Kochalka has 35 books on Amazon, 25 of them on a best-seller list in the last 30 days (best rank #2), mostly in Humorous, Fantasy Graphic Novels, Mystery & Detective.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $7.99 |
| Median reviews | 102 |
| Total reviews | 3,652 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 71% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $4.99, 40% below the median of their main category, Humorous.
James Kochalka's best-ranked books
-
Johnny Boo Book 5: Does Something
by James Kochalka
- Price$4.99
- Rating4.5
- Reviews107
-
Dr. Seuss Graphic Novel: Green Eggs and Ham Go Next Door: A Green Eggs and Ham Story (Dr. Seuss Graphic Novels)
by James Kochalka
- Price$5.99
- Rating4.1
- Reviews6
-
Johnny Boo Book 1: Best Little Ghost in the World
by James Kochalka
- Price$2.99
- Rating4.4
- Reviews273
-
Johnny Boo Book 9: Johnny Boo is King!
by James Kochalka
- Price$4.99
- Rating4.5
- Reviews125
-
Johnny Boo Book 8: The Ice Cream Computer
by James Kochalka
- Price$3.99
- Rating4.3
- Reviews167
-
Johnny Boo Book 2: Twinkle Power
by James Kochalka
- Price$2.99
- Rating4.4
- Reviews141
-
Johnny Boo Book 4: The Mean Little Boy
by James Kochalka
- Price$4.99
- Rating4.6
- Reviews131
-
Johnny Boo Book 3: Happy Apples
by James Kochalka
- Price$2.99
- Rating4.4
- Reviews135
-
Glork Patrol (Book One): Glork Patrol on the Bad Planet
by James Kochalka
- Price$4.99
- Rating3.9
- Reviews42
-
Dr. Seuss Graphic Novel: Green Eggs and Ham Go Next Door: A Green Eggs and Ham Story
by James Kochalka
- Price$10.99
- Rating4.1
- Reviews6
Main categories
FAQ
How many books does James Kochalka have on Amazon?
KDPTop tracks 35 of their books; 25 made an Amazon list in the last 30 days.
Which categories does James Kochalka publish in?
Their books chart most often in Humorous, Fantasy Graphic Novels, Mystery & Detective.
How does James Kochalka price their books?
The median price is $4.99; half of the books cost $4.99–$7.99.
Has James Kochalka released new books recently?
0 new books 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.