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Conventional (Weapons & Warfare, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Conventional (Weapons & Warfare, Kindle eBooks), updated Nov 2, 2026: median price $5.99, median 184 reviews, average rating 4.4 and a KDPTop opportunity score of 25/100 (highly competitive).

25Opportunity / 100
$5.99Median price
184Median reviews
Price range (middle 50%)$2.99 – $9.99
Average rating4.4
New releases (90 days)10%
Books on the list99
StoreKindle eBooks

What stands out

  • Its median reviews are 32% of the parent category Weapons & Warfare (570), one of the easier corners under it.
  • Prices spread wide: the middle half runs from $2.99 to $9.99, so budget editions and premium or boxed sets sell side by side.

Top 10 Conventional best sellers

  1. Empire of Guns: The Violent Making of the Industrial Revolution book cover by Priya Satia

    Empire of Guns: The Violent Making of the Industrial Revolution

    by Priya Satia

    • List rank#1
    • Price$1.99
    • Rating4.1
    • Reviews70

    View on Amazon · Full data on KDPTop

  2. Spearhead: An American Tank Gunner, His Enemy, and a Collision of Lives in World War II book cover by Adam Makos

    Spearhead: An American Tank Gunner, His Enemy, and a Collision of Lives in World War II

    by Adam Makos

    • List rank#2
    • Price$4.99
    • Rating4.8
    • Reviews4,610

    View on Amazon · Full data on KDPTop

  3. CITADEL The Battle of Kursk 1943: the greatest tank battle of the Second World War (Robin  book cover by Robin Cross

    CITADEL The Battle of Kursk 1943: the greatest tank battle of the Second World War (Robin Cross World War Two Histories)

    by Robin Cross

    • List rank#3
    • Price$2.99
    • Rating4.3
    • Reviews164

    View on Amazon · Full data on KDPTop

  4. Jackie's Back: An American Tank Crew in World War II Italy (The Iron Cavalry Series Book 1 book cover by Richard Hendrix

    Jackie's Back: An American Tank Crew in World War II Italy (The Iron Cavalry Series Book 1)

    by Richard Hendrix

    • List rank#4
    • Price$3.99
    • Rating4.5
    • Reviews94

    View on Amazon · Full data on KDPTop

  5. The Great Halifax Explosion: A World War I Story of Treachery, Tragedy, and Extraordinary  book cover by John U. Bacon

    The Great Halifax Explosion: A World War I Story of Treachery, Tragedy, and Extraordinary Heroism

    by John U. Bacon

    • List rank#5
    • Price$13.99
    • Rating4.5
    • Reviews1,921

    View on Amazon · Full data on KDPTop

  6. The Day of the Typhoon: Flying with the Royal Air Force Tankbusters in Normandy (Untold St book cover by John Golley

    The Day of the Typhoon: Flying with the Royal Air Force Tankbusters in Normandy (Untold Stories of WWII Aerial Warfare Book 2)

    by John Golley

    • List rank#6
    • Price$5.99
    • Rating4.5
    • Reviews552

    View on Amazon · Full data on KDPTop

  7. The Art of War book cover by Sun Tzu

    The Art of War

    by Sun Tzu

    • List rank#7
    • Price$0.99
    • Rating4.4
    • Reviews34,523

    View on Amazon · Full data on KDPTop

  8. Hold The Line: An American tank crew fighting in Korea (The Iron Cavalry Series Book 2) book cover by Richard Hendrix

    Hold The Line: An American tank crew fighting in Korea (The Iron Cavalry Series Book 2)

    by Richard Hendrix

    • List rank#8
    • Price$4.99
    • Rating4.5
    • Reviews50

    View on Amazon · Full data on KDPTop

  9. Long Range Shooting Handbook: Complete Beginner's Guide to Long Range Shooting book cover by Ryan M. Cleckner

    Long Range Shooting Handbook: Complete Beginner's Guide to Long Range Shooting

    by Ryan M. Cleckner

    • List rank#9
    • Price$9.99
    • Rating4.8
    • Reviews9,843

    View on Amazon · Full data on KDPTop

  10. What The Sand Remembers: A British tank crew fighting in North Africa during WW2 (The Iron book cover by Richard Hendrix

    What The Sand Remembers: A British tank crew fighting in North Africa during WW2 (The Iron Cavalry Series Book 3)

    by Richard Hendrix

    • List rank#10
    • Price$3.99
    • Rating4.1
    • Reviews28

    View on Amazon · Full data on KDPTop

Same niche in Books: Conventional

FAQ

Is Conventional a good niche for Amazon KDP?

Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 184 reviews and sells for $5.99.

How many reviews do you need to rank in Conventional?

The median best seller has 184 reviews, and 38% of them have fewer than 100.

What do Conventional best sellers cost?

The median price is $5.99; half of the best sellers are priced between $2.99 and $9.99.

Can new books break into Conventional?

10% 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.