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20th Century (Historical Fiction, Books): Amazon KDP category data

Amazon Books Best Sellers data for 20th Century (Historical Fiction, Books), updated Nov 3, 2026: median price $9.41, median 13,476 reviews, average rating 4.5 and a KDPTop opportunity score of 19/100 (highly competitive).

19Opportunity / 100
$9.41Median price
13,476Median reviews
Price range (middle 50%)$4.99 – $14.95
Average rating4.5
New releases (90 days)23%
Books on the list100
StoreBooks

What stands out

  • Its review barrier is higher than in 99% of Books categories: the median best seller has 13,476 reviews, so new books need time to build up.
  • 23% of its best sellers came out in the last 90 days, more than in 93% of Books categories: readers here keep buying new titles.
  • At $9.41 its median price is below 92% of Books categories, so it is a volume game.

Top 10 20th Century best sellers

  1. The Calamity Club: A Novel book cover by Kathryn Stockett

    The Calamity Club: A Novel

    by Kathryn Stockett

    • List rank#1
    • Price$16.99
    • Rating4.7
    • Reviews100,505

    View on Amazon · Full data on KDPTop

  2. The Nightingale: A Novel book cover by Kristin Hannah

    The Nightingale: A Novel

    by Kristin Hannah

    • List rank#2
    • Price$25.49
    • Rating4.7
    • Reviews427,342

    View on Amazon · Full data on KDPTop

  3. The Book Club for Troublesome Women: A Novel book cover by Marie Bostwick

    The Book Club for Troublesome Women: A Novel

    by Marie Bostwick

    • List rank#3
    • Price$23.59
    • Rating4.4
    • Reviews34,597

    View on Amazon · Full data on KDPTop

  4. Winter Garden book cover by Kristin Hannah

    Winter Garden

    by Kristin Hannah

    • List rank#4
    • Price$12.99
    • Rating4.6
    • Reviews126,942

    View on Amazon · Full data on KDPTop

  5. The Women: A Novel book cover by Kristin Hannah

    The Women: A Novel

    by Kristin Hannah

    • List rank#5
    • Price$19.95
    • Rating4.7
    • Reviews356,805

    View on Amazon · Full data on KDPTop

  6. The Lost Kingdom of Daughters: A Novel book cover by Weina Dai Randel

    The Lost Kingdom of Daughters: A Novel

    by Weina Dai Randel

    • List rank#6
    • Price$4.99
    • Rating4.3
    • Reviews1,974

    View on Amazon · Full data on KDPTop

  7. The Castle in the Glen: A Novel book cover by Rhys Bowen

    The Castle in the Glen: A Novel

    by Rhys Bowen

    • List rank#7
    • Price$2.99
    • Rating4.6
    • Reviews13,964

    View on Amazon · Full data on KDPTop

  8. The Alice Network: A Novel – A New York Times Bestselling Historical Fiction of Female Spi book cover by Kate Quinn

    The Alice Network: A Novel – A New York Times Bestselling Historical Fiction of Female Spies, Courage, and Betrayal Across Two World Wars

    by Kate Quinn

    • List rank#8
    • Price$9.99
    • Rating4.6
    • Reviews101,144

    View on Amazon · Full data on KDPTop

  9. The Lion Women of Tehran book cover by Marjan Kamali

    The Lion Women of Tehran

    by Marjan Kamali

    • List rank#9
    • Price$16.99
    • Rating4.6
    • Reviews48,901

    View on Amazon · Full data on KDPTop

  10. Where the Sea Lavender Grows: A Novel book cover by Kitty Johnson

    Where the Sea Lavender Grows: A Novel

    by Kitty Johnson

    • List rank#10
    • Price$4.99
    • Rating4.5
    • Reviews26,503

    View on Amazon · Full data on KDPTop

Subcategories

Same niche in Kindle eBooks: 20th Century

FAQ

Is 20th Century a good niche for Amazon KDP?

Its KDPTop opportunity score is 19/100, which makes it highly competitive. The median best seller has 13,476 reviews and sells for $9.41.

How many reviews do you need to rank in 20th Century?

The median best seller has 13,476 reviews, and 7% of them have fewer than 100.

What do 20th Century best sellers cost?

The median price is $9.41; half of the best sellers are priced between $4.99 and $14.95.

Can new books break into 20th Century?

23% 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.