KDP categories · Top KDP authors
Celtic (Ancient Civilizations, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Celtic (Ancient Civilizations, Kindle eBooks), updated Nov 2, 2026: median price $6.49, median 74 reviews, average rating 4.4 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $10.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 11% of the parent category Ancient Civilizations (665), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
- Prices spread wide: the middle half runs from $2.99 to $10.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Celtic best sellers
-
The Lore of Scotland: A guide to Scottish legends
by Jennifer Westwood
- List rank#1
- Price$2.99
- Rating4.5
- Reviews198
-
Islands in the Mist: A Celtic Historical Fantasy inspired by Welsh Myth and Legend
by J.M. Hofer
- List rank#2
- Price$3.99
- Rating4.5
- Reviews194
-
The Crow Queen (Eagles and Crows Book 2)
by Melanie Karsak
- List rank#3
- Price$7.99
- Rating4.6
- Reviews993
-
Queen of Ash and Iron: A Novel of Boudica (The Celtic Rebels Series Book 3)
by Melanie Karsak
- List rank#4
- Price$9.99
- Rating4.7
- Reviews1,189
-
Blood Feud: A Dark Ages Scottish Romance (The Warrior Brothers of Skye Book 1)
by Jayne Castel
- List rank#5
- Price$4.99
- Rating4.4
- Reviews998
-
The Blackthorn Queen (Eagles and Crows Book 1)
by Melanie Karsak
- List rank#6
- Price$5.99
- Rating4.6
- Reviews1,201
-
At the Edge of Ireland: Seasons on the Beara Peninsula—A Magical Adventure into the Heart of Old Ireland's Traditions and Landscapes
by David Yeadon
- List rank#7
- Price$9.99
- Rating3.9
- Reviews60
-
Queen of the Hollow Hills (Eagles and Crows Book 3)
by Melanie Karsak
- List rank#8
- Price$7.99
- Rating4.7
- Reviews582
-
The Boston Globe Story of the Celtics: 1946-Present: The Inside Stories and Acclaimed Reporting on the NBA's Banner Franchise
by The Boston Globe
- List rank#9
- Price$1.99
- Rating4.7
- Reviews47
-
Sacred Earth, Sacred Soul: Celtic Wisdom for Reawakening to What Our Souls Know and Healing the World
by J. Philip Newell
- List rank#10
- Price$7.99
- Rating4.7
- Reviews1,041
Same niche in Books: Celtic
FAQ
Is Celtic a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 74 reviews and sells for $6.49.
How many reviews do you need to rank in Celtic?
The median best seller has 74 reviews, and 55% of them have fewer than 100.
What do Celtic best sellers cost?
The median price is $6.49; half of the best sellers are priced between $2.99 and $10.99.
Can new books break into Celtic?
4% of the current best sellers were released in the last 90 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.