KDP categories · Top KDP authors
Mass Transit (Transportation, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Mass Transit (Transportation, Kindle eBooks), updated Nov 3, 2026: median price $9.99, median 20 reviews, average rating 4.6 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 5% of the parent category Transportation (394), one of the easier corners under it.
- Its review barrier is lower than in 72% of Kindle eBooks categories: the median best seller has only 20 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $3.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Mass Transit best sellers
-
Electric Interurbans and the American People (Railroads Past and Present)
by H. Roger Grant
- List rank#1
- Price$0.50
- Rating4.4
- Reviews37
-
Grand Central: How a Train Station Transformed America
by Sam Roberts
- List rank#2
- Price$3.99
- Rating4.6
- Reviews219
-
Straphanger: Saving Our Cities and Ourselves from the Automobile
by Taras Grescoe
- List rank#3
- Price$0.99
- Rating4.5
- Reviews50
-
How the Railways Will Fix the Future: Rediscovering the Essential Brilliance of the Iron Road
by Gareth Dennis
- List rank#4
- Price$8.99
- Rating4.6
- Reviews88
-
The Lunatic Express: Discovering the World . . . via Its Most Dangerous Buses, Boats, Trains, and Planes
by Carl Hoffman
- List rank#5
- Price$10.99
- Rating4.2
- Reviews236
-
Locomotive Cyclopedia of American Practice: Locomotives, 1922
by Roy V. Wright
- List rank#6
- Price$2.99
- Rating4.4
- Reviews4
-
Trains: From History To Legendary Railways: From Steam Locomotives to High-Speed Trains, from the Orient Express to the Legends of the Rails, A Journey Through Railway History (Echoes Through Time)
by Sophie Vallerand
- List rank#7
- Price$8.90
- Rating4.3
- Reviews4
-
CDL Study Guide 2026-2027: All-in-One Commercial Driver's License Prep with 500 Practice Questions and Detailed Answer Explanations
- List rank#8
- Price$12.99
- Rating5.0
- Reviews1
-
A Mighty Fine Road: A History of the Chicago, Rock Island & Pacific Railroad Company
by H. Roger Grant
- List rank#9
- Price$2.99
- Rating4.7
- Reviews79
-
Metronome: A History of Paris from the Underground Up
by Loránt Deutsch
- List rank#10
- Price$17.99
- Rating4.1
- Reviews63
Same niche in Books: Mass Transit
FAQ
Is Mass Transit a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 20 reviews and sells for $9.99.
How many reviews do you need to rank in Mass Transit?
The median best seller has 20 reviews, and 86% of them have fewer than 100.
What do Mass Transit best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.99 and $12.99.
Can new books break into Mass Transit?
9% 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.