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Submarines (Transportation, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Submarines (Transportation, Kindle eBooks), updated Nov 3, 2026: median price $7.99, median 7 reviews, average rating 4.1 and a KDPTop opportunity score of 20/100 (highly competitive).

20Opportunity / 100
$7.99Median price
7Median reviews
Price range (middle 50%)$4.99 – $15.00
Average rating4.1
New releases (90 days)10%
Books on the list98
StoreKindle eBooks

What stands out

  • Its median reviews are 2% of the parent category Transportation (394), one of the easier corners under it.
  • Its review barrier is lower than in 85% of Kindle eBooks categories: the median best seller has only 7 reviews, so new books can chart with few.
  • Prices spread wide: the middle half runs from $4.99 to $15.00, so budget editions and premium or boxed sets sell side by side.

Top 10 Submarines best sellers

  1. Crash Dive: True Stories of Submarine Combat book cover by Larry Bond

    Crash Dive: True Stories of Submarine Combat

    by Larry Bond

    • List rank#1
    • Price$18.04
    • Rating4.1
    • Reviews88

    View on Amazon · Full data on KDPTop

  2. Fighting Under the Sea: The History of Submarine Warfare From Its Inception to the End of  book cover by Donald G. F. W. Macintyre

    Fighting Under the Sea: The History of Submarine Warfare From Its Inception to the End of World War Two (The Evolution of Naval Power Book 3)

    by Donald G. F. W. Macintyre

    • List rank#2
    • Price$0.99
    • Rating4.2
    • Reviews183

    View on Amazon · Full data on KDPTop

  3. WAR BENEATH THE SEA: submarine conflict during World War Two book cover by Peter Padfield

    WAR BENEATH THE SEA: submarine conflict during World War Two

    by Peter Padfield

    • List rank#3
    • Price$2.99
    • Rating4.4
    • Reviews2,041

    View on Amazon · Full data on KDPTop

  4. Shadow Divers: The Bestselling World War II Classic - The True Story of Two Men Who Risked book cover by Robert Kurson

    Shadow Divers: The Bestselling World War II Classic - The True Story of Two Men Who Risked Everything to Solve A Historic Mystery

    by Robert Kurson

    • List rank#4
    • Price-
    • Rating4.7
    • Reviews5,734

    View on Amazon · Full data on KDPTop

  5. U-Boats at War in World War I and II (Images of War) book cover by Jon Sutherland

    U-Boats at War in World War I and II (Images of War)

    by Jon Sutherland

    • List rank#5
    • Price$0.99
    • Rating3.7
    • Reviews18

    View on Amazon · Full data on KDPTop

  6. Submarines of the Russian and Soviet Navies: 1946–2026 book cover by Norman Polmar

    Submarines of the Russian and Soviet Navies: 1946–2026

    by Norman Polmar

    • List rank#6
    • Price$11.99
    • Rating4.2
    • Reviews7

    View on Amazon · Full data on KDPTop

  7. The H. L. Hunley: The Secret Hope of the Confederacy book cover by Tom Chaffin

    The H. L. Hunley: The Secret Hope of the Confederacy

    by Tom Chaffin

    • List rank#7
    • Price$3.99
    • Rating4.3
    • Reviews121

    View on Amazon · Full data on KDPTop

  8. Hitler's Attack U-Boats: The Kriegsmarine's WWII Submarine Strike Force book cover by Jak P. Mallmann Showell

    Hitler's Attack U-Boats: The Kriegsmarine's WWII Submarine Strike Force

    by Jak P. Mallmann Showell

    • List rank#8
    • Price$2.99
    • Rating4.4
    • Reviews71

    View on Amazon · Full data on KDPTop

  9. Submarine Aircraft Carriers: From World War I to the Age of Drones book cover by Jacob Gunnarson

    Submarine Aircraft Carriers: From World War I to the Age of Drones

    by Jacob Gunnarson

    • List rank#9
    • Price$26.99
    • Rating5.0
    • Reviews3

    View on Amazon · Full data on KDPTop

  10. The History of the British 'U' Class Submarine book cover by Derek Walters

    The History of the British 'U' Class Submarine

    by Derek Walters

    • List rank#10
    • Price$0.99
    • Rating4.3
    • Reviews26

    View on Amazon · Full data on KDPTop

FAQ

Is Submarines a good niche for Amazon KDP?

Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 7 reviews and sells for $7.99.

How many reviews do you need to rank in Submarines?

The median best seller has 7 reviews, and 84% of them have fewer than 100.

What do Submarines best sellers cost?

The median price is $7.99; half of the best sellers are priced between $4.99 and $15.00.

Can new books break into Submarines?

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.