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William Cooper: Amazon KDP author data
As of Nov 6, 2026, William Cooper has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #2), mostly in Reptiles & Amphibians, Social Sciences, Politics & Government.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $6.89 – $9.49 |
| Median reviews | 35 |
| Total reviews | 304 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $8.99, 30% below the median of their main category, Reptiles & Amphibians.
William Cooper's best-ranked books
-
Behold a Pale Horse
by William Cooper
- Price$9.99
- Rating4.5
- Reviews266
- Published2021-12
-
Amphibians of the World: An Encyclopedia of Amphibians Species, Frogs, Salamanders, and Caecilians and Their Ecosystems
by William Cooper
- Price$4.80
- Rating3.8
- Reviews3
-
Majestic 12 and the Secret Government
by William Cooper
- Price$8.99
- Rating4.3
- Reviews36
- Published2024-12
Main categories
FAQ
How many books does William Cooper have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does William Cooper publish in?
Their books chart most often in Reptiles & Amphibians, Social Sciences, Politics & Government.
How does William Cooper price their books?
The median price is $8.99; half of the books cost $6.89–$9.49.
Has William Cooper 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.