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20th Century (Teens › Education & Reference › History › United States, Books): Amazon KDP category data

Amazon Books Best Sellers data for 20th Century (Teens › Education & Reference › History › United States, Books), updated Nov 2, 2026: median price $12.99, median 64 reviews, average rating 4.6 and a KDPTop opportunity score of 27/100 (highly competitive).

27Opportunity / 100
$12.99Median price
64Median reviews
Price range (middle 50%)$10.02 – $15.99
Average rating4.6
New releases (90 days)5%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 38% of the parent category United States (167), one of the easier corners under it.
  • Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.

Top 10 20th Century best sellers

  1. Farewell to Manzanar: A Powerful Memoir of Growing Up in a Japanese Incarceration Camp book cover by Jeanne Wakatsuki Houston

    Farewell to Manzanar: A Powerful Memoir of Growing Up in a Japanese Incarceration Camp

    by Jeanne Wakatsuki Houston

    • List rank#1
    • Price$6.39
    • Rating4.5
    • Reviews2,637

    View on Amazon · Full data on KDPTop

  2. 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#2
    • Price$16.10
    • Rating4.4
    • Reviews79

    View on Amazon · Full data on KDPTop

  3. 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#3
    • Price$2.99
    • Rating4.5
    • Reviews227

    View on Amazon · Full data on KDPTop

  4. The Finest Hours (Young Readers Edition) (True Rescue Series) book cover by Michael J. Tougias

    The Finest Hours (Young Readers Edition) (True Rescue Series)

    by Michael J. Tougias

    • List rank#4
    • Price$6.29
    • Rating4.6
    • Reviews2,807

    View on Amazon · Full data on KDPTop

  5. Undefeated: Jim Thorpe and the Carlisle Indian School Football Team book cover by Steve Sheinkin

    Undefeated: Jim Thorpe and the Carlisle Indian School Football Team

    by Steve Sheinkin

    • List rank#5
    • Price$9.25
    • Rating4.7
    • Reviews544

    View on Amazon · Full data on KDPTop

  6. Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown book cover by Steve Sheinkin

    Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown

    by Steve Sheinkin

    • List rank#6
    • Price$10.66
    • Rating4.7
    • Reviews210

    View on Amazon · Full data on KDPTop

  7. 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#7
    • Price$11.79
    • Rating4.6
    • Reviews1,251

    View on Amazon · Full data on KDPTop

  8. 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)

    by Steve Sheinkin

    • List rank#8
    • Price$10.19
    • Rating4.6
    • Reviews569

    View on Amazon · Full data on KDPTop

  9. Lincoln: A Newbery Award Winner ― A Biography of Abraham Lincoln's Early Life, for Kids (A book cover by Russell Freedman

    Lincoln: A Newbery Award Winner ― A Biography of Abraham Lincoln's Early Life, for Kids (Ages 10-12)

    by Russell Freedman

    • List rank#9
    • Price$8.12
    • Rating4.7
    • Reviews303

    View on Amazon · Full data on KDPTop

  10. The Day the President Was Shot: The Secret Service, the FBI, a Would-Be Killer, and the At book cover by Bill O'Reilly

    The Day the President Was Shot: The Secret Service, the FBI, a Would-Be Killer, and the Attempted Assassination of Ronald Reagan

    by Bill O'Reilly

    • List rank#10
    • Price$13.18
    • Rating4.5
    • Reviews637

    View on Amazon · Full data on KDPTop

FAQ

Is 20th Century a good niche for Amazon KDP?

Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 64 reviews and sells for $12.99.

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

The median best seller has 64 reviews, and 65% of them have fewer than 100.

What do 20th Century best sellers cost?

The median price is $12.99; half of the best sellers are priced between $10.02 and $15.99.

Can new books break into 20th Century?

5% 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.