KDP categories · Top KDP authors
Structural (Civil & Environmental, Books): Amazon KDP category data
Amazon Books Best Sellers data for Structural (Civil & Environmental, Books), updated Nov 2, 2026: median price $54.31, median 11 reviews, average rating 4.5 and a KDPTop opportunity score of 34/100 (highly competitive).
| Price range (middle 50%) | $28.99 – $94.50 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Civil & Environmental (310), one of the easier corners under it.
- At $54.31 its median price beats 96% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 82% of Books categories: the median best seller has only 11 reviews, so new books can chart with few.
Top 10 Structural best sellers
-
The Prepper's Survival Bible: The Complete Worst-Case Scenario Survival Guide - Life-Saving Strategies to Be Self Sufficient and Keep Your Family Safe in Every Emergency
by Benjamin H. Wilder
- List rank#1
- Price$29.90
- Rating4.4
- Reviews345
-
Structures: Or Why Things Don't Fall Down
by J. E. Gordon
- List rank#2
- Price$11.36
- Rating4.6
- Reviews2,158
-
Best-Selling 1-Story Home Plans, 5th Edition: Over 360 Dream-Home Plans in Full Color (Creative Homeowner) Craftsman, Country, Contemporary, and Traditional Designs with More Than 250 Color Photos
by Editors of Creative Homeowner
- List rank#3
- Price$13.46
- Rating4.4
- Reviews909
-
Big Book of Small Home Plans, 2nd Edition: Over 360 Home Plans Under 1200 Square Feet (Creative Homeowner) Cabins, Cottages, Tiny Houses, and How to Maximize Your Space with Organizing and Decorating
by Design America Inc.
- List rank#4
- Price$18.63
- Rating4.4
- Reviews646
-
Disasters by Design: How Engineering Failures Shaped the Modern World
by Grady Hillhouse
- List rank#5
- Price$35
- Reviews-
-
PE Civil Structural Exam Prep: The Most Complete Study Guide with Practice Problems, Step-by-Step Solutions, In-Depth Reviews & Full Exams to Get Ready in No Time and Pass with Confidence
by Learnova
- List rank#6
- Price$57.77
- Rating4.9
- Reviews103
-
Unified Design of Steel Structures
by Louis Geschwindner
- List rank#7
- Price$2.99
- Rating4.4
- Reviews29
-
Why Buildings Fall Down: How Structures Fail
by Matthys Levy
- List rank#8
- Price$11.48
- Rating4.7
- Reviews264
-
Super Structures: The Science of Bridges, Buildings, Dams, and Other Feats of Engineering
by Mark Denny
- List rank#9
- Price$11.99
- Rating4.3
- Reviews20
-
Why Buildings Stand Up: The Strength of Architecture
by Mario Salvadori
- List rank#10
- Price$10.48
- Rating4.6
- Reviews209
FAQ
Is Structural a good niche for Amazon KDP?
Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 11 reviews and sells for $54.31.
How many reviews do you need to rank in Structural?
The median best seller has 11 reviews, and 83% of them have fewer than 100.
What do Structural best sellers cost?
The median price is $54.31; half of the best sellers are priced between $28.99 and $94.50.
Can new books break into Structural?
8% 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.