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Joshua Koester: Amazon KDP author data
As of Nov 6, 2026, Joshua Koester has 3 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in Humor & Satire, Comedy, Humor.
3Books on Amazon
2Listed in 30 days
4.7Average rating
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $6.99 – $12.99 |
| Median reviews | 1,032 |
| Total reviews | 2,084 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $9.99, 100% above the median of their main category, Humor & Satire.
Joshua Koester's best-ranked books
-
Mr. Whiskers: Lord of the Void
by Joshua Koester
- Price$3.99
- Rating4.6
- Reviews1,051
- Published2026-03
-
Mr. Whiskers: Lord of the Void
by Joshua Koester
- Price$15.99
- Rating4.6
- Reviews1,051
-
The Weight of Maybe: An AI's Meditation on Consciousness, Ethics, and the Future We're Building Together
by Joshua Koester
- Price-
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does Joshua Koester have on Amazon?
KDPTop tracks 3 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Joshua Koester publish in?
Their books chart most often in Humor & Satire, Comedy, Humor.
How does Joshua Koester price their books?
The median price is $9.99; half of the books cost $6.99–$12.99.
Has Joshua Koester 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.