KDP categories · Top KDP authors
A. F. Kay: Amazon KDP author data
As of Nov 6, 2026, A. F. Kay has 12 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #1), mostly in Asian, Sports & Outdoors, Martial Arts.
| Median price | $5.49 |
|---|---|
| Price range (middle 50%) | $2.99 – $6.99 |
| Median reviews | 2,963 |
| Total reviews | 28,694 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 83% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
A. F. Kay's best-ranked books
-
Shade's First Rule (Divine Apostasy Book 1)
by A. F. Kay
- Price$2.99
- Rating4.6
- Reviews4,312
-
Uru's Third Temple: A Fantasy LitRPG Adventure (Divine Apostasy Book 3)
by A. F. Kay
- Price$2.99
- Rating4.7
- Reviews3,486
-
Legion's Fifth Vault: A Fantasy LitRPG Adventure (Divine Apostasy Book 5)
by A. F. Kay
- Price$6.99
- Rating4.8
- Reviews3,062
-
The Fourth Secret: A Fantasy LitRPG Adventure (Divine Apostasy Book 4)
by A. F. Kay
- Price$6.99
- Rating4.7
- Reviews3,361
-
Hamma's Last Prayer: A Divine Apostasy LitRPG Adventure (Black Pyramid Legends Book 1)
by A. F. Kay
- Price$4.99
- Rating4.6
- Reviews695
-
The Sixth Rune: A Fantasy LitRPG Adventure (Divine Apostasy Book 6)
by A. F. Kay
- Price$6.99
- Rating4.7
- Reviews2,864
-
Tarot's Ninth Harbinger (Divine Apostasy Book 9)
by A. F. Kay
- Price$6.99
- Rating4.6
- Reviews1,416
-
The Second Betrayal: A Fantasy LitRPG Adventure (Divine Apostasy Book 2)
by A. F. Kay
- Price$2.99
- Rating4.7
- Reviews3,686
-
The Grey Warden: A Fantasy Progression Adventure (Sixth Kingdom Book 1)
by A. F. Kay
- Price$5.99
- Rating4.5
- Reviews458
-
Shade's First Rule: A Fantasy LitRPG Adventure: Divine Apostasy, Book 1
by A. F. Kay
- Price$0.99
- Rating4.6
- Reviews4,310
- Published2020-04
Main categories
FAQ
How many books does A. F. Kay have on Amazon?
KDPTop tracks 12 of their books; 10 made an Amazon list in the last 30 days.
Which categories does A. F. Kay publish in?
Their books chart most often in Asian, Sports & Outdoors, Martial Arts.
How does A. F. Kay price their books?
The median price is $5.49; half of the books cost $2.99–$6.99.
Has A. F. Kay released new books recently?
1 new book 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.