KDP categories · Top KDP authors
SJ King: Amazon KDP author data
As of Nov 6, 2026, SJ King has 30 books on Amazon, 27 of them on a best-seller list in the last 30 days (best rank #5), mostly in Exploration & Discoveries, Ancient Civilizations, Prehistory.
| Median price | $5.90 |
|---|---|
| Price range (middle 50%) | $4.49 – $6.99 |
| Median reviews | 54 |
| Total reviews | 2,624 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 90% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $5.90, 41% below the median of their main category, Exploration & Discoveries.
SJ King's best-ranked books
-
The Secret Explorers and the Tomb Robbers
by SJ King
- Price$3.99
- Rating4.8
- Reviews214
-
The Secret Explorers and the Tomb Robbers
by SJ King
- Price$5.50
- Rating4.8
- Reviews214
-
The Secret Explorers and the Moon Mission
by SJ King
- Price-
- Rating4.7
- Reviews73
-
The Secret Explorers and the Jurassic Rescue
by SJ King
- Price$3.99
- Rating4.8
- Reviews223
-
The Secret Explorers and the Jurassic Rescue
by SJ King
- Price$5.58
- Rating4.8
- Reviews223
-
The Secret Explorers and the Haunted Castle
by SJ King
- Price$6.50
- Rating4.6
- Reviews73
-
The Timekeepers: Eiffel Tower Emergency
by SJ King
- Price$6.51
- Rating4.3
- Reviews8
-
The Secret Explorers and the Ice Age Adventure
by SJ King
- Price$5.89
- Rating4.8
- Reviews57
-
The Timekeepers: Exploring Ancient Egypt
by SJ King
- Price$5.90
- Rating4.3
- Reviews16
-
Adventures with The Secret Explorers: Collection Two: 4-Book Box Set of Educational Chapter Books
by SJ King
- Price$20.30
- Rating4.7
- Reviews42
Main categories
FAQ
How many books does SJ King have on Amazon?
KDPTop tracks 30 of their books; 27 made an Amazon list in the last 30 days.
Which categories does SJ King publish in?
Their books chart most often in Exploration & Discoveries, Ancient Civilizations, Prehistory.
How does SJ King price their books?
The median price is $5.90; half of the books cost $4.49–$6.99.
Has SJ King released new books recently?
0 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.