KDP categories · Top KDP authors
Kai Butler: Amazon KDP author data
As of Nov 6, 2026, Kai Butler has 44 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #16), mostly in Lesbian, Gay, Bisexual & Transgender Books, LGBTQ+ Fantasy, LGBTQ+.
| Median price | $6.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $6.99 |
| Median reviews | 299 |
| Total reviews | 21,277 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Only 7% of the catalog charted in the last 30 days; sales rest on a few titles.
- Median price $6.99, 17% above the median of their main category, Lesbian, Gay, Bisexual & Transgender Books.
Kai Butler's best-ranked books
-
Crown of Ash (Emperor's Assassin Book 5)
by Kai Butler
- Price$5.99
- Rating4.6
- Reviews75
- Published2026-10
-
Betrothed to the Emperor (Emperor's Assassin Book 1)
by Kai Butler
- Price$5.99
- Rating4.5
- Reviews1,671
-
Crown of Ash: Emperor's Assassin, Book 5
by Kai Butler
- Price$20.12
- Rating4.6
- Reviews75
-
Wormwood Summer: San Amaro Investigations, Book 1
by Kai Butler
- Price$0.99
- Rating4.5
- Reviews1,818
- Published2021-09
-
Wormwood Summer (San Amaro Investigations Book 1)
by Kai Butler
- Price$0
- Rating4.5
- Reviews1,818
- Published2021-01
-
The Oak Wood Throne: San Amaro Investigations, Book 2
by Kai Butler
- Price$0.99
- Rating4.7
- Reviews1,373
- Published2021-12
-
The Oak Wood Throne (San Amaro Investigations Book 2)
by Kai Butler
- Price$0
- Rating4.7
- Reviews1,373
- Published2021-06
-
A Gilded Iron Blade (San Amaro Investigations Book 3)
by Kai Butler
- Price$0
- Rating4.7
- Reviews1,099
- Published2022-02
-
Exiled Heir (The Empty Throne Trilogy Book 1)
by Kai Butler
- Price$0
- Rating4.5
- Reviews1,075
- Published2023-10
-
Emperor's Wrath (Emperor's Assassin Book 2)
by Kai Butler
- Price$0
- Rating4.6
- Reviews992
- Published2025-06
Main categories
FAQ
How many books does Kai Butler have on Amazon?
KDPTop tracks 44 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Kai Butler publish in?
Their books chart most often in Lesbian, Gay, Bisexual & Transgender Books, LGBTQ+ Fantasy, LGBTQ+.
How does Kai Butler price their books?
The median price is $6.99; half of the books cost $5.99–$6.99.
Has Kai Butler 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.