KDP categories · Top KDP authors
Erik Gray: Amazon KDP author data
As of Nov 6, 2026, Erik Gray has 15 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #24), mostly in Prehistory, Controversial Knowledge, Maritime History & Piracy.
| Median price | $5 |
|---|---|
| Price range (middle 50%) | $5 – $5 |
| Median reviews | 2 |
| Total reviews | 15 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 0 |
What stands out
- 87% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $5, 71% below the median of their main category, Prehistory.
- 3 new listings in the last 30 days (new editions included).
Erik Gray's best-ranked books
-
Malleus Maleficarum (The Hammer of Witches): A Modern Translation
by Erik Gray
- Price$5
- Rating4.7
- Reviews4
-
Inanna The First Goddess: The Enheduanna Corpus of Ancient Sumer
by Erik Gray
- Price$5
- Rating5.0
- Reviews2
-
Inanna The First Goddess: The Enheduanna Corpus of Ancient Sumer
by Erik Gray
- Price$14.01
- Rating5.0
- Reviews2
-
The Structure of Reality: Constraint, Coherence, and Control
by Erik Gray
- Price$25
- Reviews-
-
How to Survive in the Woods: Olympic National Forest
by Erik Gray
- Price$5
- Rating5.0
- Reviews1
-
The Ω-Field: Consciousness, Coherence, and the Structure of Reality Where π, φ, Fibonacci, and Fractal Order Converge
by Erik Gray
- Price$5
- Reviews-
-
The Operator: How Return Becomes Form
by Erik Gray
- Price$5
- Reviews-
-
Sefer ha-Razim : Book of Mysteries
by Erik Gray
- Price$5
- Rating3.4
- Reviews3
-
Maʿaseh Merkavah: The Work of the Chariot
by Erik Gray
- Price$5
- Rating4.0
- Reviews2
-
The Pyramid Texts: A New Translation Restoring the Intended Ritual Order
by Erik Gray
- Price$5
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does Erik Gray have on Amazon?
KDPTop tracks 15 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Erik Gray publish in?
Their books chart most often in Prehistory, Controversial Knowledge, Maritime History & Piracy.
How does Erik Gray price their books?
The median price is $5; half of the books cost $5–$5.
Has Erik Gray released new books recently?
3 new books 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.