KDP categories · Top KDP authors
Repair & Maintenance (Aviation, Books): Amazon KDP category data
Amazon Books Best Sellers data for Repair & Maintenance (Aviation, Books), updated Nov 3, 2026: median price $24.99, median 32 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $16.61 – $36.29 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 18% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 13% of the parent category Aviation (252), one of the easier corners under it.
- 18% of its best sellers came out in the last 90 days, more than in 87% of Books categories: readers here keep buying new titles.
- At $24.99 its median price beats 84% of Books categories, leaving more margin per copy.
Top 10 Repair & Maintenance best sellers
-
Aviation Mechanic Oral & Practical Exam Guide: Comprehensive preparation for the FAA Aviation Mechanic General, Airframe, and Powerplant Oral & Practical Exams (Oral Exam Guide Series)
by Keith Anderson
- List rank#1
- Price$19.95
- Rating4.7
- Reviews181
-
Aviation Mechanic Handbook
by Dale Crane
- List rank#2
- Price$11.92
- Rating4.8
- Reviews310
-
2027 General Mechanic Test Guide: Essential Prep to Pass the FAA Knowledge Test (ASA Test Prep Series)
by ASA Test Prep Board
- List rank#3
- Price$18.59
- Reviews-
-
AFOQT Study Guide: Air Force Officer Qualifying Test Prep Book (2026-2027)
by Military Prep Academy
- List rank#4
- Price$22.78
- Rating4.6
- Reviews643
-
FAR-AMT 2027: Federal Aviation Regulations for Aviation Maintenance Technicians (ASA FAR/AIM Series)
by Federal Aviation Administration (FAA)/Aviation Supplies & Academics (ASA)
- List rank#5
- Price$29.57
- Rating4.0
- Reviews1
-
Aviation Maintenance Technician Handbook―Airframe (2026): FAA-H-8083-31B (ASA FAA Handbook Series)
by Federal Aviation Administration (FAA)
- List rank#6
- Price$69.79
- Rating4.6
- Reviews55
-
Aviation Maintenance Technician Handbook – Powerplant: FAA-H-8083-32B (Color Print)
by Federal Aviation Administration
- List rank#7
- Price$42.57
- Rating4.7
- Reviews63
-
2027 Airframe Mechanic Test Guide: Essential Prep to Pass the FAA Knowledge Test (ASA Test Prep Series)
by ASA Test Prep Board
- List rank#8
- Price$19.95
- Rating5.0
- Reviews1
-
Aviation Maintenance Technician Handbook―Powerplant (2026): FAA-H-8083-32B (ASA FAA Handbook Series)
by Federal Aviation Administration (FAA)
- List rank#9
- Price$39.72
- Rating4.8
- Reviews30
-
2027 Powerplant Mechanic Test Guide: Essential Prep to Pass the FAA Knowledge Test (ASA Test Prep Series)
by ASA Test Prep Board
- List rank#10
- Price$19.70
- Reviews-
Same niche in Kindle eBooks: Repair & Maintenance
FAQ
Is Repair & Maintenance a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 32 reviews and sells for $24.99.
How many reviews do you need to rank in Repair & Maintenance?
The median best seller has 32 reviews, and 81% of them have fewer than 100.
What do Repair & Maintenance best sellers cost?
The median price is $24.99; half of the best sellers are priced between $16.61 and $36.29.
Can new books break into Repair & Maintenance?
18% 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.