KDP categories · Top KDP authors
William Ritter: Amazon KDP author data
As of Nov 6, 2026, William Ritter has 10 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #3), mostly in Steampunk, Detectives, Historical.
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $9.49 – $10.29 |
| Median reviews | 975 |
| Total reviews | 9,796 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 60% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
William Ritter's best-ranked books
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Jackaby
by William Ritter
- Price$9.99
- Rating4.3
- Reviews1,917
- Published2014-09
-
Beastly Bones: A Jackaby Novel
by William Ritter
- Price$9.99
- Rating4.4
- Reviews1,069
- Published2015-09
-
Jackaby
by William Ritter
- Price$6.57
- Rating4.3
- Reviews1,916
- Published2023-08
-
Ghostly Echoes: A Jackaby Novel
by William Ritter
- Price$9.99
- Rating4.5
- Reviews881
-
The Dire King: A Jackaby Novel
by William Ritter
- Price$9.99
- Rating4.6
- Reviews721
-
-
Beastly Bones: A Jackaby Novel
by William Ritter
- Price$0
- Rating4.4
- Reviews1,069
-
-
Bloody Fool for Love: A Spike Prequel (Buffy the Vampire Slayer Prequels)
by William Ritter
- Price$11.19
- Rating4.5
- Reviews140
-
Fantastisches Lesen: Ausgewählte Leseproben von Robin Hobb, Holly Black, Benedict Jacka, Lena Kiefer u.v.m. (German Edition)
by William Ritter
- Price$0
- Rating4.2
- Reviews21
- Published2019-07
Main categories
FAQ
How many books does William Ritter have on Amazon?
KDPTop tracks 10 of their books; 6 made an Amazon list in the last 30 days.
Which categories does William Ritter publish in?
Their books chart most often in Steampunk, Detectives, Historical.
How does William Ritter price their books?
The median price is $9.99; half of the books cost $9.49–$10.29.
Has William Ritter 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.