KDP categories · Top KDP authors
Repair & Maintenance (Ships, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Repair & Maintenance (Ships, Kindle eBooks), updated Nov 2, 2026: median price $10.99, median 11 reviews, average rating 4.2 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $6.99 – $22.72 |
|---|---|
| Average rating | 4.2 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 4% of the parent category Ships (263), one of the easier corners under it.
- At $10.99 its median price beats 90% of Kindle eBooks categories, leaving more margin per copy.
- Its review barrier is lower than in 81% of Kindle eBooks categories: the median best seller has only 11 reviews, so new books can chart with few.
Top 10 Repair & Maintenance best sellers
-
Maintenance of Everything: Part One (Maintenance: Of Everything Book 1)
by Stewart Brand
- List rank#1
- Price$12.99
- Rating4.4
- Reviews276
-
Marine Solar — A Practical Engineering Guide: Designing, Sizing, and Installing Solar Power for Sailboats and Cruising Vessels
by Daniel Kestrel
- List rank#2
- Price$2.99
- Reviews-
-
Marine Diesel Engines: Maintenance, Troubleshooting, and Repair
by Nigel Calder
- List rank#3
- Price$15.11
- Rating4.7
- Reviews712
-
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#4
- Price$6.99
- Rating5.0
- Reviews2
-
Marine Diesel Basics 1: Maintenance, Lay-Up, Winter Protection, Tropical Storage and Spring Recommission
by Dennison Berwick
- List rank#5
- Price$11.99
- Rating4.6
- Reviews232
-
The Splicing Handbook, Third Edition: Techniques for Modern and Traditional Ropes
by Barbara Merry
- List rank#6
- Price$14.04
- Rating4.2
- Reviews177
-
American Merchant Seaman's Manual
by Matthew Bonvento
- List rank#7
- Price$2.99
- Reviews-
-
MARINE ENGINEERING HANDBOOK : Practical Engine Room Operations, Ship Machinery Maintenance, Troubleshooting, and Operational Decision-Making for Modern Ships (Engineering in Practice 3)
by Doreen M. Vanhorn
- List rank#8
- Price$9.99
- Reviews-
-
Relax, It's Only a Boat: A Survival Manual for Boaters
by Walter Schulz
- List rank#9
- Price$25
- Rating4.6
- Reviews3
-
Marine Diesel Engine Repair and Maintenance: The Complete DIY Guide for Boat Owners — Troubleshooting, Servicing, and Overhaul Made Simple
by Victor Cipher
- List rank#10
- Price$9.99
- Reviews-
Same niche in Books: Repair & Maintenance
FAQ
Is Repair & Maintenance a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 11 reviews and sells for $10.99.
How many reviews do you need to rank in Repair & Maintenance?
The median best seller has 11 reviews, and 81% of them have fewer than 100.
What do Repair & Maintenance best sellers cost?
The median price is $10.99; half of the best sellers are priced between $6.99 and $22.72.
Can new books break into Repair & Maintenance?
7% 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.