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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).

34Opportunity / 100
$54.31Median price
11Median reviews
Price range (middle 50%)$28.99 – $94.50
Average rating4.5
New releases (90 days)8%
Books on the list100
StoreBooks

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

  1. The Prepper's Survival Bible: The Complete Worst-Case Scenario Survival Guide - Life-Savin book cover by Benjamin H. Wilder

    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

    View on Amazon · Full data on KDPTop

  2. Structures: Or Why Things Don't Fall Down book cover by J. E. Gordon

    Structures: Or Why Things Don't Fall Down

    by J. E. Gordon

    • List rank#2
    • Price$11.36
    • Rating4.6
    • Reviews2,158

    View on Amazon · Full data on KDPTop

  3. Best-Selling 1-Story Home Plans, 5th Edition: Over 360 Dream-Home Plans in Full Color (Cre book cover by Editors of Creative Homeowner

    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

    View on Amazon · Full data on KDPTop

  4. Big Book of Small Home Plans, 2nd Edition: Over 360 Home Plans Under 1200 Square Feet (Cre book cover by Design America Inc.

    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

    View on Amazon · Full data on KDPTop

  5. Disasters by Design: How Engineering Failures Shaped the Modern World book cover by Grady Hillhouse

    Disasters by Design: How Engineering Failures Shaped the Modern World

    by Grady Hillhouse

    • List rank#5
    • Price$35
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. PE Civil Structural Exam Prep: The Most Complete Study Guide with Practice Problems, Step- book cover by Learnova

    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

    View on Amazon · Full data on KDPTop

  7. Unified Design of Steel Structures book cover by Louis Geschwindner

    Unified Design of Steel Structures

    by Louis Geschwindner

    • List rank#7
    • Price$2.99
    • Rating4.4
    • Reviews29

    View on Amazon · Full data on KDPTop

  8. Why Buildings Fall Down: How Structures Fail book cover by Matthys Levy

    Why Buildings Fall Down: How Structures Fail

    by Matthys Levy

    • List rank#8
    • Price$11.48
    • Rating4.7
    • Reviews264

    View on Amazon · Full data on KDPTop

  9. Super Structures: The Science of Bridges, Buildings, Dams, and Other Feats of Engineering book cover by Mark Denny

    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

    View on Amazon · Full data on KDPTop

  10. Why Buildings Stand Up: The Strength of Architecture book cover by Mario Salvadori

    Why Buildings Stand Up: The Strength of Architecture

    by Mario Salvadori

    • List rank#10
    • Price$10.48
    • Rating4.6
    • Reviews209

    View on Amazon · Full data on KDPTop

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.