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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).
| Price range (middle 50%) | $4.99 – $15.00 |
|---|---|
| Average rating | 4.1 |
| New releases (90 days) | 10% |
| Books on the list | 98 |
| Store | Kindle 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
-
Crash Dive: True Stories of Submarine Combat
by Larry Bond
- List rank#1
- Price$18.04
- Rating4.1
- Reviews88
-
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
-
WAR BENEATH THE SEA: submarine conflict during World War Two
by Peter Padfield
- List rank#3
- Price$2.99
- Rating4.4
- Reviews2,041
-
Shadow Divers: The Bestselling World War II Classic - The True Story of Two Men Who Risked Everything to Solve A Historic Mystery
- List rank#4
- Price-
- Rating4.7
- Reviews5,734
-
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
-
Submarines of the Russian and Soviet Navies: 1946–2026
by Norman Polmar
- List rank#6
- Price$11.99
- Rating4.2
- Reviews7
-
The H. L. Hunley: The Secret Hope of the Confederacy
by Tom Chaffin
- List rank#7
- Price$3.99
- Rating4.3
- Reviews121
-
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
-
Submarine Aircraft Carriers: From World War I to the Age of Drones
by Jacob Gunnarson
- List rank#9
- Price$26.99
- Rating5.0
- Reviews3
-
The History of the British 'U' Class Submarine
by Derek Walters
- List rank#10
- Price$0.99
- Rating4.3
- Reviews26
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.