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Riley Black: Amazon KDP author data
Riley Black has 16 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #1), mostly in Dinosaurs, Paleontology, Animals.
16Books on Amazon
12Listed in 30 days
4.4Average rating
| Median price | $14.99 |
|---|---|
| Price range (middle 50%) | $11.99 – $19.51 |
| Median reviews | 41 |
| Total reviews | 5,361 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- 75% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 3 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Riley Black's best-ranked books
-
Tyrant Lizard Queen: The Love, Life, and Terror of Earth’s Greatest Carnivore
by Riley Black
- Price$26.10
- Rating4.3
- Reviews13
- Published2026-10
-
Tyrant Lizard Queen: The Love, Life, and Terror of Earth’s Greatest Carnivore
by Riley Black
- Price$14.99
- Rating4.3
- Reviews13
- Published2026-10
-
Tyrant Lizard Queen: The Love, Life, and Terror of Earth’s Greatest Carnivore
by Riley Black
- Price$16.39
- Rating4.4
- Reviews8
-
The Last Days of the Dinosaurs: An Asteroid, Extinction, and the Beginning of Our World
by Riley Black
- Price$11.99
- Rating4.4
- Reviews1,146
-
Last Days of the Dinosaurs
by Riley Black
- Price$14.85
- Rating4.4
- Reviews1,144
-
The Last Days of the Dinosaurs: An Asteroid, Extinction, and the Beginning of Our World
by Riley Black
- Price$29.98
- Rating4.4
- Reviews1,144
-
The Last Days of the Dinosaurs: An Asteroid, Extinction, and the Beginning of Our World
by Riley Black
- Price$16.39
- Rating4.4
- Reviews1,146
-
When the Earth Was Green: Plants, Animals, and Evolution's Greatest Romance
by Riley Black
- Price$11.99
- Rating4.4
- Reviews132
-
When the Earth Was Green: Plants, Animals, and Evolution's Greatest Romance
by Riley Black
- Price$17.69
- Rating4.4
- Reviews132
-
The Shortest History of the Dinosaurs: The 230-Million-Year Story of Their Time on Earth (The Shortest History Series)
by Riley Black
- Price$7.50
- Rating4.6
- Reviews41
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.