KDP categories · Top KDP authors
Volcanology: Amazon KDP category data
Amazon Books Best Sellers data for Volcanology, updated Nov 2, 2026: median price $12.99, median 0 reviews, average rating 4.3 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $11.98 – $19.99 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 3% |
| Books on the list | 60 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Geology (307), one of the easier corners under it.
- Its review barrier is lower than in 99% of Books categories: the median best seller has only 0 reviews, so new books can chart with few.
- Only 3% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Volcanology best sellers
-
Krakatoa: The Day the World Exploded: August 27, 1883
- List rank#1
- Price$13.99
- Rating4.3
- Reviews1,976
-
Eruption: The Untold Story of Mount St. Helens
by Steve Olson
- List rank#2
- Price$9.96
- Rating4.4
- Reviews1,512
-
No Apparent Danger: The True Story of Volcanic Disaster at Galeras and Nevado Del Ruiz
by Victoria Bruce
- List rank#3
- Price$11.36
- Rating4.4
- Reviews245
-
Genuine DIamonds Found In Arkansas the Mining Years (1906 - 1972)
by Glenn Worthington
- List rank#4
- Price$9
- Rating4.0
- Reviews2
-
Rock Your Brain Variety Puzzles: Geology Themed Puzzle Book For Adults
by Puzzling Brain
- List rank#5
- Price$11.99
- Rating5.0
- Reviews6
-
Surviving Galeras
by Stanley Williams
- List rank#6
- Price$2.99
- Rating4.1
- Reviews57
-
Geology Word Search Puzzle Book: 55 Fun and Educational Puzzles About Rocks, Minerals, Fossils, Volcanoes, and Earth Science for Adults and Seniors
by T.R. Bobal
- List rank#7
- Price$9.99
- Reviews-
-
Island on Fire
by Alexandra Witze
- List rank#8
- Price$14.99
- Rating4.4
- Reviews262
-
The Last Days of St. Pierre: The Volcanic Disaster That Claimed 30,000 Lives: The Volcanic Disaster That Claimed 30, 000 Lives (Rivergate Regionals Collection)
by Ernest Zebrowski Jr.
- List rank#9
- Price$16.01
- Rating4.7
- Reviews35
-
Super Volcano: The Ticking Time Bomb Beneath Yellowstone National Park
by Greg Breining
- List rank#10
- Price$11.99
- Rating4.2
- Reviews341
FAQ
Is Volcanology a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 0 reviews and sells for $12.99.
How many reviews do you need to rank in Volcanology?
The median best seller has 0 reviews, and 100% of them have fewer than 100.
What do Volcanology best sellers cost?
The median price is $12.99; half of the best sellers are priced between $11.98 and $19.99.
Can new books break into Volcanology?
3% of the current best sellers were released in the last 90 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.