KDP categories · Top KDP authors
Mechanical (Engineering, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Mechanical (Engineering, Kindle eBooks), updated Nov 3, 2026: median price $9.99, median 34 reviews, average rating 4.5 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $12.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 28% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 9% of the parent category Engineering (366), one of the easier corners under it.
- 28% of its best sellers came out in the last 90 days, more than in 94% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $4.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Mechanical best sellers
-
Blood in the Machine: The Origins of the Rebellion Against Big Tech
by Brian Merchant
- List rank#1
- Price$1.99
- Rating4.4
- Reviews293
-
The AGI Chronicles: The Inside Story of the Race to Create an Artificial Superintelligence
by Kevin Roose
- List rank#2
- Price$16.99
- Rating4.7
- Reviews177
-
Basic Machines and How They Work
by Naval Education
- List rank#3
- Price$0.99
- Rating4.5
- Reviews1,055
-
Co-Intelligence: Living and Working with AI
- List rank#4
- Price$14.99
- Rating4.5
- Reviews4,314
-
The Human-Agent Orchestrator: Leading and Scaling AI-Driven Organizations
- List rank#5
- Price$2.99
- Rating4.9
- Reviews199
-
The All in One Agentic AI Bible: The Practical 7 Step Guide To Building Smarter AI Agents, Designing Goal-Oriented, LLM-Powered Systems That Think, Act, And Adapt In The Real World
by Alexander Sterling
- List rank#6
- Price$2.99
- Rating4.8
- Reviews112
-
How to Build a Car: The Autobiography of the World’s Greatest Formula 1 Designer
by Adrian Newey
- List rank#7
- Price$12.49
- Rating4.7
- Reviews9,040
-
Life 3.0: Being Human in the Age of Artificial Intelligence
by Max Tegmark
- List rank#8
- Price$9.99
- Rating4.4
- Reviews6,304
-
The Agentic AI Bible: The Complete and Up-to-Date Guide to Design, Develop, and Scale Goal-Driven, LLM-Powered Agents that Think, Execute and Evolve
- List rank#9
- Price$24.89
- Rating4.7
- Reviews544
-
Bambu Studio Complete User Guide for Beginners: Why Your Screen Never Matches the Tutorial, What Every Setting Does, and How to Fix Any Failed Print So Your 3D Printer Never Gathers Dust
by Hugo Trent
- List rank#10
- Price$9.99
- Rating4.6
- Reviews26
Subcategories
Same niche in Books: Mechanical
FAQ
Is Mechanical a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 34 reviews and sells for $9.99.
How many reviews do you need to rank in Mechanical?
The median best seller has 34 reviews, and 62% of them have fewer than 100.
What do Mechanical best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.99 and $12.99.
Can new books break into Mechanical?
28% 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.