KDP categories · Top KDP authors
20th Century (History › United States, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for 20th Century (History › United States, Kindle eBooks), updated Nov 2, 2026: median price $11.99, median 1,696 reviews, average rating 4.6 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $14.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 92% of Kindle eBooks categories: the median best seller has 1,696 reviews, so new books need time to build up.
- Its median reviews are 2.1× those of the parent category United States, harder to enter than the parent as a whole.
- At $11.99 its median price beats 93% of Kindle eBooks categories, leaving more margin per copy.
Top 10 20th Century best sellers
-
The Gales of November: The Untold Story of the Edmund Fitzgerald
- List rank#1
- Price$9.40
- Rating4.7
- Reviews3,096
-
The Feather Detective: Mystery, Mayhem, and the Magnificent Life of Roxie Laybourne
by Chris Sweeney
- List rank#2
- Price$1.99
- Rating4.6
- Reviews277
-
The Victors: Eisenhower And His Boys The Men Of World War Ii
- List rank#3
- Price$2.99
- Rating4.6
- Reviews803
-
The Long Gray Line: The American Journey of West Point's Class of 1966
- List rank#4
- Price$14.99
- Rating4.6
- Reviews1,123
-
Summer of '71: Five Months That Changed America
by John A. Jenkins
- List rank#5
- Price$14.54
- Rating4.4
- Reviews24
-
1929: Inside the Greatest Crash in Wall Street History--and How It Shattered a Nation
- List rank#6
- Price$15.99
- Rating4.6
- Reviews11,949
-
Ethel Kennedy: The Extraordinary Life and Bold Legacy
- List rank#7
- Price$14.99
- Rating4.6
- Reviews132
-
The Last Flight: The Untold Story of the Search for JFK Jr. and the Race Against the Atlantic
- List rank#8
- Price$14.99
- Rating4.7
- Reviews55
-
American Scoundrel: Roy Cohn's Dark Journey from Joe McCarthy to Donald Trump
by Kai Bird
- List rank#9
- Price$16.99
- Rating4.6
- Reviews277
-
The Warmth of Other Suns: The Epic Story of America's Great Migration
- List rank#10
- Price$12.99
- Rating4.8
- Reviews25,354
Subcategories
FAQ
Is 20th Century a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 1,696 reviews and sells for $11.99.
How many reviews do you need to rank in 20th Century?
The median best seller has 1,696 reviews, and 20% of them have fewer than 100.
What do 20th Century best sellers cost?
The median price is $11.99; half of the best sellers are priced between $3.99 and $14.99.
Can new books break into 20th Century?
13% 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.