KDP categories · Top KDP authors

1945 - Present: Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for 1945 - Present, updated Nov 2, 2026: median price $5.99, median 19 reviews, average rating 4.2 and a KDPTop opportunity score of 25/100 (highly competitive).

25Opportunity / 100
$5.99Median price
19Median reviews
Price range (middle 50%)$3.47 – $9.99
Average rating4.2
New releases (90 days)15%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 1% of the parent category 20th Century (1,696), one of the easier corners under it.
  • 15% of its best sellers came out in the last 90 days, more than in 76% of Kindle eBooks categories: readers here keep buying new titles.
  • Its review barrier is lower than in 73% of Kindle eBooks categories: the median best seller has only 19 reviews, so new books can chart with few.

Top 10 1945 - Present best sellers

  1. Tiny Blunders/Big Disasters: Thirty-Nine Tiny Mistakes That Changed the World Forever (Rev book cover by Jared Knott

    Tiny Blunders/Big Disasters: Thirty-Nine Tiny Mistakes That Changed the World Forever (Revised Edition) (Tiny Blunders/Big Disasters Series)

    by Jared Knott

    • List rank#1
    • Price$3.95
    • Rating4.1
    • Reviews3,773

    View on Amazon · Full data on KDPTop

  2. Operation Paperclip: The Secret Intelligence Program that Brought Nazi Scientists to Ameri book cover by Annie Jacobsen

    Operation Paperclip: The Secret Intelligence Program that Brought Nazi Scientists to America

    by Annie Jacobsen

    • List rank#2
    • Price$11.99
    • Rating4.7
    • Reviews3,618

    View on Amazon · Full data on KDPTop

  3. Tiny Blunders/Big Disasters Book 2: The Many Tiny Mistakes That Changed the World Forever  book cover by Jared Knott

    Tiny Blunders/Big Disasters Book 2: The Many Tiny Mistakes That Changed the World Forever - Premiere Edition (Tiny Blunders/Big Disasters Series)

    by Jared Knott

    • List rank#3
    • Price$3.95
    • Rating4.3
    • Reviews398

    View on Amazon · Full data on KDPTop

  4. The Man Who Cooked Children: The Disturbing Crimes of Nathaniel Bar-Jonah (True Crime) book cover by Ryan  Green

    The Man Who Cooked Children: The Disturbing Crimes of Nathaniel Bar-Jonah (True Crime)

    by Ryan Green

    • List rank#4
    • Price$3.99
    • Rating4.1
    • Reviews761

    View on Amazon · Full data on KDPTop

  5. Infiltration Instead of Invasion: America Betrayed (1944-1954) book cover by Mel K

    Infiltration Instead of Invasion: America Betrayed (1944-1954)

    by Mel K

    • List rank#5
    • Price$9.99
    • Rating4.5
    • Reviews46

    View on Amazon · Full data on KDPTop

  6. Black American History: The Definitive Guide to 400 Years of Untold African American Histo book cover by Melvin  King

    Black American History: The Definitive Guide to 400 Years of Untold African American History

    by Melvin King

    • List rank#6
    • Price$2.99
    • Rating4.6
    • Reviews121

    View on Amazon · Full data on KDPTop

  7. Nuremberg Trials: A History from Beginning to End book cover by Hourly History

    Nuremberg Trials: A History from Beginning to End

    by Hourly History

    • List rank#7
    • Price$2.99
    • Rating4.2
    • Reviews903

    View on Amazon · Full data on KDPTop

  8. Point Man book cover by James Watson

    Point Man

    by James Watson

    • List rank#8
    • Price$11.99
    • Rating4.5
    • Reviews1,869

    View on Amazon · Full data on KDPTop

  9. The Mind of D.B. Cooper: A Psychological Commentary book cover by Ned DeHan

    The Mind of D.B. Cooper: A Psychological Commentary

    by Ned DeHan

    • List rank#9
    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. Night on Wonderland: A Laurel Canyon Massacre, a Botched Robbery, and the Power That Burie book cover by Adrian Halden

    Night on Wonderland: A Laurel Canyon Massacre, a Botched Robbery, and the Power That Buried the Truth

    by Adrian Halden

    • List rank#10
    • Price$5.99
    • Reviews-

    View on Amazon · Full data on KDPTop

FAQ

Is 1945 - Present a good niche for Amazon KDP?

Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 19 reviews and sells for $5.99.

How many reviews do you need to rank in 1945 - Present?

The median best seller has 19 reviews, and 70% of them have fewer than 100.

What do 1945 - Present best sellers cost?

The median price is $5.99; half of the best sellers are priced between $3.47 and $9.99.

Can new books break into 1945 - Present?

15% 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.