KDP categories · Top KDP authors

20th Century (Teen & Young Adult › Education & Reference › History › United States, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for 20th Century (Teen & Young Adult › Education & Reference › History › United States, Kindle eBooks), updated Nov 2, 2026: median price $9.74, median 70 reviews, average rating 4.5 and a KDPTop opportunity score of 17/100 (highly competitive).

17Opportunity / 100
$9.74Median price
70Median reviews
Price range (middle 50%)$6.99 – $11.43
Average rating4.5
New releases (90 days)1%
Books on the list100
StoreKindle eBooks

What stands out

  • Only 1% of its best sellers are under 90 days old, fewer than in 97% of Kindle eBooks categories: established titles hold the list.

Top 10 20th Century best sellers

  1. Black Birds in the Sky: The Story and Legacy of the 1921 Tulsa Race Massacre book cover by Brandy Colbert

    Black Birds in the Sky: The Story and Legacy of the 1921 Tulsa Race Massacre

    by Brandy Colbert

    • List rank#1
    • Price$2.99
    • Rating4.5
    • Reviews227

    View on Amazon · Full data on KDPTop

  2. Farewell to Manzanar book cover by Jeanne Wakatsuki Houston

    Farewell to Manzanar

    by Jeanne Wakatsuki Houston

    • List rank#2
    • Price$10.99
    • Rating4.5
    • Reviews2,637

    View on Amazon · Full data on KDPTop

  3. Death in the Jungle: Murder, Betrayal, and the Lost Dream of Jonestown book cover by Candace Fleming

    Death in the Jungle: Murder, Betrayal, and the Lost Dream of Jonestown

    by Candace Fleming

    • List rank#3
    • Price$11.99
    • Rating4.4
    • Reviews79

    View on Amazon · Full data on KDPTop

  4. The Day the World Went Nuclear: Dropping the Atom Bomb and the End of World War II in the  book cover by Bill O'Reilly

    The Day the World Went Nuclear: Dropping the Atom Bomb and the End of World War II in the Pacific

    by Bill O'Reilly

    • List rank#4
    • Price$14.99
    • Rating4.6
    • Reviews1,251

    View on Amazon · Full data on KDPTop

  5. Unequal: A Story of America book cover by Michael Eric Dyson

    Unequal: A Story of America

    by Michael Eric Dyson

    • List rank#5
    • Price$1.99
    • Rating4.8
    • Reviews229

    View on Amazon · Full data on KDPTop

  6. The Finest Hours (Young Readers Edition): The True Story of a Heroic Sea Rescue (True Resc book cover by Michael J. Tougias

    The Finest Hours (Young Readers Edition): The True Story of a Heroic Sea Rescue (True Rescue Series)

    by Michael J. Tougias

    • List rank#6
    • Price$8.99
    • Rating4.6
    • Reviews2,807

    View on Amazon · Full data on KDPTop

  7. Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War (National Book A book cover by Steve Sheinkin

    Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War (National Book Award Finalist) (Bccb Blue Ribbon Nonfiction Book Award (Awards))

    by Steve Sheinkin

    • List rank#7
    • Price$11.99
    • Rating4.6
    • Reviews569

    View on Amazon · Full data on KDPTop

  8. Hick: The trailblazing journalist who captured Eleanor Roosevelt's heart book cover by Sarah Miller

    Hick: The trailblazing journalist who captured Eleanor Roosevelt's heart

    by Sarah Miller

    • List rank#8
    • Price$12.99
    • Rating4.9
    • Reviews29

    View on Amazon · Full data on KDPTop

  9. Jane Against the World: Roe v. Wade and the Fight for Reproductive Rights book cover by Karen Blumenthal

    Jane Against the World: Roe v. Wade and the Fight for Reproductive Rights

    by Karen Blumenthal

    • List rank#9
    • Price$9.02
    • Rating4.7
    • Reviews111

    View on Amazon · Full data on KDPTop

  10. Flesh and Blood So Cheap: The Triangle Fire and Its Legacy book cover by Albert Marrin

    Flesh and Blood So Cheap: The Triangle Fire and Its Legacy

    by Albert Marrin

    • List rank#10
    • Price$8.99
    • Rating4.1
    • Reviews134

    View on Amazon · Full data on KDPTop

FAQ

Is 20th Century a good niche for Amazon KDP?

Its KDPTop opportunity score is 17/100, which makes it highly competitive. The median best seller has 70 reviews and sells for $9.74.

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

The median best seller has 70 reviews, and 58% of them have fewer than 100.

What do 20th Century best sellers cost?

The median price is $9.74; half of the best sellers are priced between $6.99 and $11.43.

Can new books break into 20th Century?

1% 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.