KDP categories · Top KDP authors
Silas Rivers: Amazon KDP author data
As of Nov 6, 2026, Silas Rivers has 17 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #45), mostly in Natural Disasters, Quizzes, Earthquakes & Volcanoes.
| Median price | $3.99 |
|---|---|
| Price range (middle 50%) | $3.99 – $3.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 6 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $3.99, 50% below the median of their main category, Natural Disasters.
- 6 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Silas Rivers's best-ranked books
-
Ash : Why Volcanoes Kill, and How We Learned to Watch Them (What the Earth Does Book 1)
by Silas Rivers
- Price$3.99
- Reviews-
-
The Great Science & Nature Trivia & Quiz Book: 500+ Fun Questions, Fascinating Facts & Quizzes for Adults & Seniors - Large Print, with Answer Key (The Great Trivia Series Book 5)
by Silas Rivers
- Price$3.99
- Reviews-
-
Fault: Why the Ground Breaks, and What It Does to Cities (What the Earth Does Book 2)
by Silas Rivers
- Price$3.99
- Reviews-
-
Why the Termite Mound Breathes: How Animals Build What Our Architects Envy (The Impossible Animal Book 4)
by Silas Rivers
- Price$0
- Reviews-
- Published2026-09
-
Why the Land Does What It Does: A Curious Atlas of Mountains, Volcanoes, Rivers, and Deep Time (The Curious Atlas Book 3)
by Silas Rivers
- Price$0
- Reviews-
- Published2026-09
-
The Great History Trivia & Quiz Book: 500+ Fun Questions, Fascinating Facts & Quizzes for Adults & Seniors - Large Print, with Answer Key (The Great Trivia Series Book 2)
by Silas Rivers
- Price$0
- Reviews-
- Published2026-08
-
Ash: Why Volcanoes Kill, and How We Learned to Watch Them (What the Earth Does)
by Silas Rivers
- Price$9.99
- Reviews-
- Published2026-09
-
The Great Animal Trivia & Quiz Book: 500+ Fun Questions, Fascinating Facts & Quizzes for Adults & Seniors — Large Print, with Answer Key (The Great Trivia Series Book 1)
by Silas Rivers
- Price$0
- Reviews-
- Published2026-07
-
Why the Gecko Doesn’t Fall: How Animal Bodies Solve Problems Our Engineers Cannot (The Impossible Animal Book 1)
by Silas Rivers
- Price$0
- Reviews-
- Published2026-09
-
Why the Sky Does What It Does: A Curious Atlas of the Sun, the Seasons, the Tides, and the Lights Overhead (The Curious Atlas Book 1)
by Silas Rivers
- Price$0
- Reviews-
- Published2026-08
Main categories
FAQ
How many books does Silas Rivers have on Amazon?
KDPTop tracks 17 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Silas Rivers publish in?
Their books chart most often in Natural Disasters, Quizzes, Earthquakes & Volcanoes.
How does Silas Rivers price their books?
The median price is $3.99; half of the books cost $3.99–$3.99.
Has Silas Rivers released new books recently?
6 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.