KDP categories · Top KDP authors
Repair & Maintenance (Ships, Books): Amazon KDP category data
Amazon Books Best Sellers data for Repair & Maintenance (Ships, Books), updated Nov 2, 2026: median price $22.99, median 36 reviews, average rating 4.4 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $16.17 – $39.79 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Ships (480), one of the easier corners under it.
- At $22.99 its median price beats 81% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $16.17 to $39.79, so budget editions and premium or boxed sets sell side by side.
Top 10 Repair & Maintenance best sellers
-
Maintenance of Everything: Part One
by Stewart Brand
- List rank#1
- Price$28.22
- Rating4.4
- Reviews276
-
Marine Diesel Engines: Maintenance, Troubleshooting, and Repair
by Nigel Calder
- List rank#2
- Price$15.91
- Rating4.7
- Reviews712
-
Rigging Handbook (Sheridan House Guides)
by Herb Benavent
- List rank#3
- Price$39.93
- Rating4.0
- Reviews10
-
Boat Log Book for Captains to Record their Motor Boating or Sailing Adventures: Capture140 Individual Cruise Trips in this Journal, Plus Bonus Logs for Tracking Maintenance, Fuel & Fishing
by Ken Mihara
- List rank#4
- Price$8.99
- Rating4.4
- Reviews89
-
Outboard Motors Maintenance and Repair Manual
by Jean-Luc Pallas
- List rank#5
- Price$23.65
- Rating4.4
- Reviews147
-
The Splicing Handbook, Third Edition: Techniques for Modern and Traditional Ropes
by Barbara Merry
- List rank#6
- Price$22.79
- Rating4.2
- Reviews177
-
The New Get Rid of Boat Odors: A Boat Owner’s Guide to Marine Sanitation Systems and Other Sources of Aggravation and Odor
by Peggie Hall
- List rank#7
- Price$21.39
- Rating4.6
- Reviews296
-
The Essentials Of Living Aboard A Boat: The definitive Guide for Liveaboards
by Mark Nicholas
- List rank#8
- Price$18.12
- Rating4.3
- Reviews257
-
The Aluminum Boat Repair Blueprint: The Definitive Manual for Diagnosing Damage, Mastering Welds, Replacing Rivets, and Executing Full Structural ... Metal Hulls (The DO-IT-YOURSELF Blueprint)
by Logan A. Pierce
- List rank#9
- Price$18.99
- Rating5.0
- Reviews2
-
HOW TO USE A SEXTANT FOR BEGINNERS: A comprehensive and practical step by step navigation guidebook on how to use a sextant even as a complete beginner
by Benjamin L. Hedwig
- List rank#10
- Price$8.88
- Rating3.7
- Reviews12
Same niche in Kindle eBooks: Repair & Maintenance
FAQ
Is Repair & Maintenance a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 36 reviews and sells for $22.99.
How many reviews do you need to rank in Repair & Maintenance?
The median best seller has 36 reviews, and 72% of them have fewer than 100.
What do Repair & Maintenance best sellers cost?
The median price is $22.99; half of the best sellers are priced between $16.17 and $39.79.
Can new books break into Repair & Maintenance?
6% 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.