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

Amazon Kindle eBooks Best Sellers data for 20th Century (Historical Fiction, Kindle eBooks), updated Nov 3, 2026: median price $5.99, median 9,438 reviews, average rating 4.5 and a KDPTop opportunity score of 18/100 (highly competitive).

18Opportunity / 100
$5.99Median price
9,438Median reviews
Price range (middle 50%)$2.99 – $12.99
Average rating4.5
New releases (90 days)23%
Books on the list100
StoreKindle eBooks

What stands out

  • Its review barrier is higher than in 99% of Kindle eBooks categories: the median best seller has 9,438 reviews, so new books need time to build up.
  • 23% of its best sellers came out in the last 90 days, more than in 90% of Kindle eBooks categories: readers here keep buying new titles.
  • Prices spread wide: the middle half runs from $2.99 to $12.99, so budget editions and premium or boxed sets sell side by side.

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 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#2
    • Price$4.99
    • Rating4.3
    • Reviews1,974

    View on Amazon · Full data on KDPTop

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

    The Castle in the Glen: A Novel

    by Rhys Bowen

    • List rank#3
    • Price$2.99
    • Rating4.6
    • Reviews13,964

    View on Amazon · Full data on KDPTop

  4. 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#4
    • Price$9.99
    • Rating4.6
    • Reviews101,144

    View on Amazon · Full data on KDPTop

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

    Where the Sea Lavender Grows: A Novel

    by Kitty Johnson

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

    View on Amazon · Full data on KDPTop

  6. Winter Garden book cover by Kristin Hannah

    Winter Garden

    by Kristin Hannah

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

    View on Amazon · Full data on KDPTop

  7. Mrs. Endicott's Splendid Adventure: A Novel book cover by Rhys Bowen

    Mrs. Endicott's Splendid Adventure: A Novel

    by Rhys Bowen

    • List rank#7
    • Price$5.99
    • Rating4.6
    • Reviews42,352

    View on Amazon · Full data on KDPTop

  8. The Girl Behind the Gates: The gripping, heartbreaking historical bestseller based on a tr book cover by Brenda Davies

    The Girl Behind the Gates: The gripping, heartbreaking historical bestseller based on a true story

    by Brenda Davies

    • List rank#8
    • Price$0.99
    • Rating4.6
    • Reviews67,009

    View on Amazon · Full data on KDPTop

  9. The Briar Club: A Thrilling and Powerful Story of Female Friendships and Secrets book cover by Kate Quinn

    The Briar Club: A Thrilling and Powerful Story of Female Friendships and Secrets

    by Kate Quinn

    • List rank#9
    • Price$12.99
    • Rating4.5
    • Reviews65,601

    View on Amazon · Full data on KDPTop

  10. Between Breaths: A Novel book cover by Abigail Rose-Marie

    Between Breaths: A Novel

    by Abigail Rose-Marie

    • List rank#10
    • Price$1.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

Subcategories

Same niche in Books: 20th Century

FAQ

Is 20th Century a good niche for Amazon KDP?

Its KDPTop opportunity score is 18/100, which makes it highly competitive. The median best seller has 9,438 reviews and sells for $5.99.

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

The median best seller has 9,438 reviews, and 9% of them have fewer than 100.

What do 20th Century best sellers cost?

The median price is $5.99; half of the best sellers are priced between $2.99 and $12.99.

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.