KDP categories · Top KDP authors
G B Ralph: Amazon KDP author data
As of Nov 6, 2026, G B Ralph has 8 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #8), mostly in Mystery, Mysteries & Thrillers, LGBTQ+ Mystery.
| Median price | $5.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $11.99 |
| Median reviews | 200 |
| Total reviews | 2,221 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- 62% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $5.99, 29% below the median of their main category, Mystery.
G B Ralph's best-ranked books
-
Fright on Stage Right (The Milverton Mysteries Book 4)
by G B Ralph
- Price$5.99
- Rating4.4
- Reviews249
-
Murder on Milverton Square (The Milverton Mysteries Book 1)
by G B Ralph
- Price$4.99
- Rating4.3
- Reviews773
-
Killer on the Kelvin Explorer (The Milverton Mysteries Book 5)
by G B Ralph
- Price$5.99
- Rating4.5
- Reviews134
- Published2026-09
-
Death in Douglas Glade (The Milverton Mysteries Book 3)
by G B Ralph
- Price$5.99
- Rating4.5
- Reviews340
-
Poison at Penshaw Hall (The Milverton Mysteries Book 2)
by G B Ralph
- Price$5.99
- Rating4.4
- Reviews426
-
Duck and Dive: A Gay Comedy Romance (Rise and Shine)
by G B Ralph
- Price$11.99
- Rating4.3
- Reviews152
- Published2021-10
-
Over and Out: A Gay Comedy Romance (Rise and Shine)
by G B Ralph
- Price$11.99
- Rating4.6
- Reviews78
- Published2021-10
-
Slip and Slide: A Gay Comedy Romance (Rise and Shine)
by G B Ralph
- Price$11.99
- Rating4.3
- Reviews69
- Published2021-10
Main categories
FAQ
How many books does G B Ralph have on Amazon?
KDPTop tracks 8 of their books; 5 made an Amazon list in the last 30 days.
Which categories does G B Ralph publish in?
Their books chart most often in Mystery, Mysteries & Thrillers, LGBTQ+ Mystery.
How does G B Ralph price their books?
The median price is $5.99; half of the books cost $5.99–$11.99.
Has G B Ralph released new books recently?
1 new book in the last 30 days, 1 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.