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Robert Kirk: Amazon KDP author data
As of Nov 6, 2026, Robert Kirk has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #24), mostly in Supernatural, Celtic, Great Britain.
| Median price | $7.99 |
|---|---|
| Price range (middle 50%) | $3.74 – $12.02 |
| Median reviews | 98 |
| Total reviews | 816 |
| New listings (30 days, incl. new editions) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $7.99, 46% below the median of their main category, Supernatural.
Robert Kirk's best-ranked books
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The Secret Commonwealth of Elves, Fauns & Fairies
by Robert Kirk
- Price$5.99
- Rating4.5
- Reviews184
-
The Secret Commonwealth of Elves, Fauns and Fairies: In Modern English
by Robert Kirk
- Price$0.99
- Rating3.5
- Reviews12
-
The Secret Commonwealth (Annotated): Of Elves, Fauns and Fairies
by Robert Kirk
- Price$2.99
- Reviews-
-
The Secret Commonwealth of Elves, Fauns and Fairies: In Modern English
by Robert Kirk
- Price$9.99
- Rating3.5
- Reviews12
-
The Secret Commonwealth (Annotated): Of Elves, Fauns and Fairies
by Robert Kirk
- Price$18.99
- Reviews-
-
The Secret Commonwealth of Elves, Fauns and Fairies: A Study in Folk-Lore and Psychical Research
by Robert Kirk
- Price$12.69
- Rating4.4
- Reviews608
Main categories
FAQ
How many books does Robert Kirk have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Robert Kirk publish in?
Their books chart most often in Supernatural, Celtic, Great Britain.
How does Robert Kirk price their books?
The median price is $7.99; half of the books cost $3.74–$12.02.
Has Robert Kirk released new books recently?
2 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.