KDP categories · Top KDP authors
Civil: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Civil, updated Nov 3, 2026: median price $9.95, median 92 reviews, average rating 4.4 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.49 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 25% of the parent category Engineering (366), one of the easier corners under it.
- Prices spread wide: the middle half runs from $3.99 to $12.49, so budget editions and premium or boxed sets sell side by side.
Top 10 Civil best sellers
-
Scientific American September 2026
- List rank#1
- Price$6.99
- Rating4.8
- Reviews13
-
Adapt: How Humans Are Tapping into Nature's Secrets to Design and Build a Better Future
by Amina Khan
- List rank#2
- Price$1.99
- Rating4.5
- Reviews18
-
Scientific American October 2026
- List rank#3
- Price$6.99
- Rating4.2
- Reviews7
-
The Off-Grid Survival Manual: Step-by-Step DIY Projects for Water, Food, Power, Shelter & Security to Keep Your Family Self-Sufficient in Any Crisis (The Hunter Ashford Preparedness Library Book 1)
- List rank#4
- Price$1.99
- Rating4.8
- Reviews18
-
Scientific American June 2026
- List rank#5
- Price$6.99
- Rating4.4
- Reviews42
-
Scientific American November 2026
- List rank#6
- Price$6.99
- Reviews-
-
The Three Ages of Water: Prehistoric Past, Imperiled Present, and a Hope for the Future
by Peter Gleick
- List rank#7
- Price$1.99
- Rating4.6
- Reviews58
-
The Great Bridge: The Epic Story of the Building of the Brooklyn Bridge
- List rank#8
- Price$14.99
- Rating4.6
- Reviews4,407
-
Water Projects: The Complete DIY Guide to Building Self-Sufficient Water Systems for Your Home, Cabin, or Garden
by Evan Whitlock
- List rank#9
- Price$9.99
- Rating4.4
- Reviews23
-
The High-Growth Contractor: The No-BS Blueprint to Go From $500K to $1M, $10M, and Beyond (The Operator's Playbook Library)
by Justin Smith
- List rank#10
- Price$0.99
- Rating4.9
- Reviews42
Subcategories
FAQ
Is Civil a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 92 reviews and sells for $9.95.
How many reviews do you need to rank in Civil?
The median best seller has 92 reviews, and 52% of them have fewer than 100.
What do Civil best sellers cost?
The median price is $9.95; half of the best sellers are priced between $3.99 and $12.49.
Can new books break into Civil?
13% 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.