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Masaki: Amazon KDP author data
As of Nov 6, 2026, Masaki has 92 books on Amazon, 20 of them on a best-seller list in the last 30 days (best rank #11), mostly in Prehistory, Paleontology, Geology.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 1 |
| Total reviews | 157 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $2.99, 67% below the median of their main category, Prehistory.
- 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Masaki's best-ranked books
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Everything About Moon Bases: From Visionary Concepts to the Roadmap for Realization, the Challenges of Life, and the World of Fiction
by Masaki
- Price$2.99
- Reviews-
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Toba Supervolcano Event : The Ancient Catastrophe That Changed Human Evolutio: How Volcanic Winter Shaped Our DNA and the Future of Lake Toba Tourism | A Complete Guide
by Masaki
- Price$3.99
- Rating4.0
- Reviews1
-
The Quaternary Period & Ice Age: Earth's Climate History: 2.58 Million Years of Evolution, Mass Extinction, and the Anthropocene: Unlocking the Truth of Our Planet's Future
by Masaki
- Price$2.99
- Rating5.0
- Reviews1
-
The Jurassic Period: What Was It Really Like?
by Masaki
- Price$2.99
- Reviews-
-
The Complete Guide to the Ediacaran Period: What Happened in Earth's First Paradise 600 Million Years Ago
by Masaki
- Price$2.99
- Rating5.0
- Reviews1
-
Human Evolution and the Origins of Humanity: The Missing Link of Australopithecus Sediba: Discover the 2-Million-Year-Old Secrets of Our Ancestors to Understand the True Path of Mankind
by Masaki
- Price$2.99
- Rating4.3
- Reviews4
-
Carboniferous Period : A Journey into Earth’s Alien Past : Dragonflies the Size of Eagles, Millipedes the Size of Cars, and the World Before Dinosaurs
by Masaki
- Price$2.99
- Rating5.0
- Reviews3
-
Göbekli Tepe: What the Evidence Actually Shows: Understand the 12,000-Year-Old Carved Pillars, the Excavations That Revised the Story, and Which Popular Claims the Record Does Not Support
by Masaki
- Price$4.60
- Reviews-
-
The Complete Guide to the Paleogene: Earth After the Dinosaurs and the Resurrection of Life: Arctic Jungles, Walking Whales, and the Dawn of Humanity — The Truth of the Lost 43 Million Years
by Masaki
- Price$2.99
- Rating4.0
- Reviews2
-
The Permian Extinction: What the "Great Dying" Teaches Us About Modern Climate Crisis and Survival Strategy
by Masaki
- Price$2.99
- Rating5.0
- Reviews2
Main categories
FAQ
How many books does Masaki have on Amazon?
KDPTop tracks 92 of their books; 20 made an Amazon list in the last 30 days.
Which categories does Masaki publish in?
Their books chart most often in Prehistory, Paleontology, Geology.
How does Masaki price their books?
The median price is $2.99; half of the books cost $2.99–$2.99.
Has Masaki released new books recently?
3 new books in the last 30 days, 2 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.