KDP categories · Top KDP authors
Mass Transit (Transportation, Books): Amazon KDP category data
Amazon Books Best Sellers data for Mass Transit (Transportation, Books), updated Nov 3, 2026: median price $25.28, median 22 reviews, average rating 4.5 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $17.99 – $34.21 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Transportation (1,031), one of the easier corners under it.
- At $25.28 its median price beats 85% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 72% of Books categories: the median best seller has only 22 reviews, so new books can chart with few.
Top 10 Mass Transit best sellers
-
CDL Study Guide 2025-2026: Your All-in-One Course, 2000+ Practice Questions + Online Platform + Full-Length Exams for All Classes + Proven Strategies
by Learnik Press
- List rank#1
- Price$14.63
- Rating4.6
- Reviews185
-
CDL Study Guide: Complete Review + Real DMV-Style Questions and Detailed Answer Explanations (Exam Simulator and E-Learning Access)
by Newstone TP
- List rank#2
- Price$19.99
- Rating4.8
- Reviews192
-
How the Railways Will Fix the Future: Rediscovering the Essential Brilliance of the Iron Road
by Gareth Dennis
- List rank#3
- Price$10.82
- Rating4.6
- Reviews88
-
Transit Maps of the World: Expanded and Updated Edition of the World's First Collection of Every Urban Train Map on Earth
by Mark Ovenden
- List rank#4
- Price$18.33
- Rating4.7
- Reviews227
-
Electric Interurbans and the American People (Railroads Past and Present)
by H. Roger Grant
- List rank#5
- Price$0.50
- Rating4.4
- Reviews37
-
Subway: The Curiosities, Secrets, and Unofficial History of the New York City Transit System
by John E. Morris
- List rank#6
- Price$16.90
- Rating4.7
- Reviews315
-
Grand Central: How a Train Station Transformed America
by Sam Roberts
- List rank#7
- Price$3.99
- Rating4.6
- Reviews219
-
Iconic Transit Maps: The World's Best Designs
by Mark Ovenden
- List rank#8
- Price$33.86
- Rating4.8
- Reviews65
-
Abandoned Subway Stations (NYC Underground Series)
by Joseph Anastasio
- List rank#9
- Price$59
- Reviews-
-
The Lost Subways of North America: A Cartographic Guide to the Past, Present, and What Might Have Been
by Jake Berman
- List rank#10
- Price$19.83
- Rating4.7
- Reviews80
Same niche in Kindle eBooks: Mass Transit
FAQ
Is Mass Transit a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 22 reviews and sells for $25.28.
How many reviews do you need to rank in Mass Transit?
The median best seller has 22 reviews, and 80% of them have fewer than 100.
What do Mass Transit best sellers cost?
The median price is $25.28; half of the best sellers are priced between $17.99 and $34.21.
Can new books break into Mass Transit?
8% 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.