KDP categories · Top KDP authors
Post-Confederation: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Post-Confederation, updated Nov 2, 2026: median price $9.99, median 52 reviews, average rating 4.3 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $5.99 – $14.99 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- The same niche in Books scores 32, 11 points higher than here; worth checking both.
- 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 $5.99 to $14.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Post-Confederation best sellers
-
The Day the World Came to Town: 9/11 in Gander, Newfoundland
by Jim DeFede
- List rank#1
- Price$7.99
- Rating4.5
- Reviews15,756
-
The Great Halifax Explosion: A World War I Story of Treachery, Tragedy, and Extraordinary Heroism
- List rank#2
- Price$13.99
- Rating4.5
- Reviews1,921
-
Beneath Dark Waters: The Legacy of the Empress of Ireland Shipwreck
by Eve Lazarus
- List rank#3
- Price$11.99
- Rating4.3
- Reviews37
-
Agents of Influence: A British Campaign, a Canadian Spy, and the Secret Plot to Bring America into World War II
by Henry Hemming
- List rank#4
- Price$1.99
- Rating4.5
- Reviews139
-
The Floor of Heaven: A True Tale of the Last Frontier and the Yukon Gold Rush
by Howard Blum
- List rank#5
- Price$12.99
- Rating4.5
- Reviews533
-
Three Years in the Klondike
by Jeremiah Lynch
- List rank#6
- Price$0.99
- Rating4.2
- Reviews1,119
-
Nothing Too Good for a Cowboy
by Richmond P. Hobson
- List rank#7
- Price$8.99
- Rating4.6
- Reviews360
-
SS Princess Sophia: The Last Voyage from Skagway (Shipwrecks That Shaped History Book 31)
- List rank#8
- Price$6.99
- Rating5.0
- Reviews1
-
Sam Steele: A Biography
by Rod Macleod
- List rank#9
- Price$2.99
- Rating4.2
- Reviews11
-
Grass Beyond the Mountains: Discovering the Last Great Cattle Frontier on the North American Continent (Canadian Nature Classics)
by Richmond P. Hobson
- List rank#10
- Price$8.99
- Rating4.6
- Reviews516
Same niche in Books: Pre-Confederation
FAQ
Is Post-Confederation a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 52 reviews and sells for $9.99.
How many reviews do you need to rank in Post-Confederation?
The median best seller has 52 reviews, and 69% of them have fewer than 100.
What do Post-Confederation best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.99 and $14.99.
Can new books break into Post-Confederation?
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.