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Billy Wellman: Amazon KDP author data
Billy Wellman has 281 books on Amazon, 227 of them on a best-seller list in the last 30 days (best rank #1), mostly in Study & Teaching, Aztec, Haiti.
281Books on Amazon
227Listed in 30 days
4.3Average rating
| Median price | $7.49 |
|---|---|
| Price range (middle 50%) | $4.99 – $13.69 |
| Median reviews | 45 |
| Total reviews | 19,302 |
| New books (30 days) | 11 |
| Breakout books (30 days) | 8 |
What stands out
- 81% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $7.49, 88% above the median of their main category, Study & Teaching.
- 11 new books in the last 30 days, 8 of them broke into a Best Sellers list.
Billy Wellman's best-ranked books
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The Civil War for Teens: An Enthralling Guide to a Major Event in American History (Legendary Histories for Teenagers)
by Billy Wellman
- Price$4.99
- Rating4.3
- Reviews30
-
History of Indochina: An Enthralling Guide to the History of Vietnam, Laos, and Cambodia (Exploring the Past)
by Billy Wellman
- Price$1.99
- Rating4.8
- Reviews15
-
Aztec Mythology for Teens: Enthralling Myths and Legends from Ancient Mexico (Legendary Histories for Teenagers)
by Billy Wellman
- Price$12.53
- Rating4.6
- Reviews20
-
Aztecs for Kids: An Enthralling Overview of Aztec History (Travel through Time)
by Billy Wellman
- Price$4.99
- Rating4.7
- Reviews11
-
Egyptian Mythology for Teens: Enthralling Myths from Ancient Egypt (Legendary Histories for Teenagers)
by Billy Wellman
- Price$13.69
- Rating4.4
- Reviews27
-
Ancient Egypt for Kids: An Enthralling Overview of the Egyptian Civilization (Travel through Time)
by Billy Wellman
- Price$4.99
- Rating4.7
- Reviews13
-
World War I for Teens: An Enthralling Guide to the Conflict that Redefined Nations (Legendary Histories for Teenagers)
by Billy Wellman
- Price$4.99
- Rating4.7
- Reviews28
-
Egyptian Mythology for Teens: Enthralling Myths from Ancient Egypt (Legendary Histories for Teenagers)
by Billy Wellman
- Price$4.99
- Rating4.4
- Reviews27
-
History of Brazil: An Enthralling Guide to Ancient Indigenous Civilizations, Portuguese Colonization, the Imperial Era, and Modern Times (Brazil's Epic Stories)
by Billy Wellman
- Price$4.99
- Rating4.1
- Reviews61
-
History of Haiti: An Enthralling Guide to Ancient Haitian Tribes, Colonial Struggles, Revolutionary Triumphs, and Post-Independence Challenges (Caribbean Atlantic history)
by Billy Wellman
- Price$14.06
- Rating4.6
- Reviews28
Main categories
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.