KDP categories · Top KDP authors

World War I (20th Century, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for World War I (20th Century, Kindle eBooks), updated Nov 2, 2026: median price $5.99, median 1,428 reviews, average rating 4.4 and a KDPTop opportunity score of 20/100 (highly competitive).

20Opportunity / 100
$5.99Median price
1,428Median reviews
Price range (middle 50%)$3.99 – $9.99
Average rating4.4
New releases (90 days)16%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 15% of the parent category 20th Century (9,438), one of the easier corners under it.
  • Its review barrier is higher than in 91% of Kindle eBooks categories: the median best seller has 1,428 reviews, so new books need time to build up.
  • 16% of its best sellers came out in the last 90 days, more than in 78% of Kindle eBooks categories: readers here keep buying new titles.

Top 10 World War I best sellers

  1. 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#1
    • Price$9.99
    • Rating4.6
    • Reviews101,144

    View on Amazon · Full data on KDPTop

  2. Marie Benedict Historical Fiction Bundle book cover by Marie Benedict

    Marie Benedict Historical Fiction Bundle

    by Marie Benedict

    • List rank#2
    • Price$39.49
    • Rating4.4
    • Reviews227

    View on Amazon · Full data on KDPTop

  3. Angel Down (Pulitzer Prize Winner): A Novel book cover by Daniel Kraus

    Angel Down (Pulitzer Prize Winner): A Novel

    by Daniel Kraus

    • List rank#3
    • Price$13.99
    • Rating4.3
    • Reviews4,117

    View on Amazon · Full data on KDPTop

  4. The Phoenix Crown: An NPR Best Book of the Year book cover by Kate Quinn

    The Phoenix Crown: An NPR Best Book of the Year

    by Kate Quinn

    • List rank#4
    • Price$12.99
    • Rating4.3
    • Reviews10,948

    View on Amazon · Full data on KDPTop

  5. Legends of the Fall book cover by Jim Harrison

    Legends of the Fall

    by Jim Harrison

    • List rank#5
    • Price$12.32
    • Rating4.4
    • Reviews3,250

    View on Amazon · Full data on KDPTop

  6. Guarded Ground: A Becky & Flynn WWI Mystery (The Becky and Flynn Mystery Series Book 1) book cover by Anna Elliott

    Guarded Ground: A Becky & Flynn WWI Mystery (The Becky and Flynn Mystery Series Book 1)

    by Anna Elliott

    • List rank#6
    • Price$3.99
    • Rating4.5
    • Reviews1,296

    View on Amazon · Full data on KDPTop

  7. The Victory Garden: A Novel book cover by Rhys Bowen

    The Victory Garden: A Novel

    by Rhys Bowen

    • List rank#7
    • Price$2.99
    • Rating4.4
    • Reviews55,294

    View on Amazon · Full data on KDPTop

  8. The Echo of Loss (Hallewell Trilogy Book 2) book cover by Katherine Webb

    The Echo of Loss (Hallewell Trilogy Book 2)

    by Katherine Webb

    • List rank#8
    • Price$3.99
    • Rating4.5
    • Reviews1,188

    View on Amazon · Full data on KDPTop

  9. The Orphan Collector: A Heroic Novel of Survival During the 1918 Influenza Pandemic book cover by Ellen Marie Wiseman

    The Orphan Collector: A Heroic Novel of Survival During the 1918 Influenza Pandemic

    by Ellen Marie Wiseman

    • List rank#9
    • Price$8.26
    • Rating4.5
    • Reviews21,243

    View on Amazon · Full data on KDPTop

  10. Safe You Sleep: A Becky & Flynn WWI Mystery (The Becky and Flynn Mystery Series Book 4) book cover by Anna Elliott

    Safe You Sleep: A Becky & Flynn WWI Mystery (The Becky and Flynn Mystery Series Book 4)

    by Anna Elliott

    • List rank#10
    • Price$5.99
    • Rating4.7
    • Reviews742

    View on Amazon · Full data on KDPTop

Same niche in Books: World War I

FAQ

Is World War I a good niche for Amazon KDP?

Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 1,428 reviews and sells for $5.99.

How many reviews do you need to rank in World War I?

The median best seller has 1,428 reviews, and 14% of them have fewer than 100.

What do World War I best sellers cost?

The median price is $5.99; half of the best sellers are priced between $3.99 and $9.99.

Can new books break into World War I?

16% 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.