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Kelly Roberts: Amazon KDP author data
As of Nov 6, 2026, Kelly Roberts has 36 books on Amazon, 27 of them on a best-seller list in the last 30 days (best rank #3), mostly in 19th Century, Disasters, United States.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $29.46 |
| Median reviews | 3 |
| Total reviews | 101 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 75% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $8.99, 42% below the median of their main category, 19th Century.
Kelly Roberts's best-ranked books
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If Farms Disappeared: How Crops, Animals, and Agriculture Support Our World (Why it Matters)
by Kelly Roberts
- Price$13.99
- Rating5.0
- Reviews1
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Engineering Disasters: Real Stories of Collapses, Breakdowns, and Horrible Blunders (Our Scary History)
by Kelly Roberts
- Price$5.99
- Rating3.8
- Reviews3
-
Catastrophes 1750–1930: Volcanoes, Floods, Earthquakes, and Disasters That Changed History (Our Scary History)
by Kelly Roberts
- Price$5.99
- Reviews-
-
The Boogeyman in America (1780–1930): Vampires, Witches, Werewolves, and Other Monsters from American History (Our Scary History)
by Kelly Roberts
- Price$5.99
- Reviews-
-
Engineering Disasters: Real Stories of Collapses, Breakdowns, and Horrible Blunders (Our Scary History)
by Kelly Roberts
- Price$13.99
- Rating3.8
- Reviews3
-
Scary Medicine: Horrible Cures and Creepy Diseases from History: The Weird, Shocking, and Sometimes Funny Side of 1800–1970s Medicine (Our Scary History)
by Kelly Roberts
- Price$13.99
- Rating5.0
- Reviews1
-
Rotten Jobs (1800–1930): Truly Gross, Filthy, Horrific Work from America’s Past (Our Scary History)
by Kelly Roberts
- Price$5.99
- Reviews-
-
Engineering Disasters: Real Stories of Collapses, Breakdowns, and Horrible Blunders
by Kelly Roberts
- Price$6.99
- Rating3.8
- Reviews3
-
Terrifying Inventions of American History: Wild Schemes, Wacky Gadgets, and the Risky Minds Who Tried to Change the World (Our Scary History)
by Kelly Roberts
- Price$5.99
- Reviews-
-
Scary Medicine: Horrible Cures and Creepy Diseases from History: The Weird, Shocking, and Sometimes Funny Side of 1800–1970s Medicine
by Kelly Roberts
- Price$6.99
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does Kelly Roberts have on Amazon?
KDPTop tracks 36 of their books; 27 made an Amazon list in the last 30 days.
Which categories does Kelly Roberts publish in?
Their books chart most often in 19th Century, Disasters, United States.
How does Kelly Roberts price their books?
The median price is $8.99; half of the books cost $5.99–$29.46.
Has Kelly Roberts released new books recently?
1 new book 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.