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Callum Ward: Amazon KDP author data
As of Nov 6, 2026, Callum Ward has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #14), mostly in Social Topics, Mystery & Detective.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 1 |
| Total reviews | 2 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $2.99, 57% below the median of their main category, Social Topics.
- 3 new listings in the last 30 days (new editions included), 3 of them broke into a Best Sellers list.
Callum Ward's best-ranked books
-
THE BOY WHO NOTICED NOTHING: A junior detective academy graphic adventure for kids 8-12 (Hollowbrook Files Book 1)
by Callum Ward
- Price$2.99
- Reviews-
- Published2026-09
-
THE FORTY-THIRD PORTRAIT: A Graphic Novel Adventure for Ages 8-12 (The Hollowbrook Files Book 2)
by Callum Ward
- Price$2.99
- Rating2.0
- Reviews1
- Published2026-09
-
THE HOUSE THAT MOVED ONE INCH: A junior detective academy graphic adventure for kids 8-12 (Hollowbrook Files Book 3)
by Callum Ward
- Price$2.99
- Rating2.0
- Reviews1
Main categories
FAQ
How many books does Callum Ward have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Callum Ward publish in?
Their books chart most often in Social Topics, Mystery & Detective.
How does Callum Ward price their books?
The median price is $2.99; half of the books cost $2.99–$2.99.
Has Callum Ward released new books recently?
3 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.