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Reference (Architecture, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Reference (Architecture, Kindle eBooks), updated Nov 3, 2026: median price $8, median 28 reviews, average rating 4.4 and a KDPTop opportunity score of 20/100 (highly competitive).

20Opportunity / 100
$8Median price
28Median reviews
Price range (middle 50%)$4.80 – $14.53
Average rating4.4
New releases (90 days)7%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 17% of the parent category Architecture (164), one of the easier corners under it.
  • Prices spread wide: the middle half runs from $4.80 to $14.53, so budget editions and premium or boxed sets sell side by side.

Top 10 Reference best sellers

  1. 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#1
    • Price$2.99
    • Rating4.6
    • Reviews2,158

    View on Amazon · Full data on KDPTop

  2. Architecture 101: From Frank Gehry to Ziggurats, an Essential Guide to Building Styles and book cover by Nicole Bridge

    Architecture 101: From Frank Gehry to Ziggurats, an Essential Guide to Building Styles and Materials (Adams 101 Series)

    by Nicole Bridge

    • List rank#2
    • Price$0.99
    • Rating4.2
    • Reviews146

    View on Amazon · Full data on KDPTop

  3. The Architecture Book (DK Big Ideas) book cover by DK

    The Architecture Book (DK Big Ideas)

    by DK

    • List rank#3
    • Price$10.99
    • Rating4.7
    • Reviews125

    View on Amazon · Full data on KDPTop

  4. Get Your House Right: Architectural Elements to Use & Avoid book cover by Marianne Cusato

    Get Your House Right: Architectural Elements to Use & Avoid

    by Marianne Cusato

    • List rank#4
    • Price$9.99
    • Rating4.6
    • Reviews680

    View on Amazon · Full data on KDPTop

  5. My Chemical-Free House: The Ultimate Guide to Building and Renovating With Non-Toxic Mater book cover by Corinne Segura

    My Chemical-Free House: The Ultimate Guide to Building and Renovating With Non-Toxic Materials

    by Corinne Segura

    • List rank#5
    • Price$55
    • Rating4.1
    • Reviews8

    View on Amazon · Full data on KDPTop

  6. 101 Things I Learned in Architecture School book cover by Matthew Frederick

    101 Things I Learned in Architecture School

    by Matthew Frederick

    • List rank#6
    • Price$11.99
    • Rating4.7
    • Reviews1,791

    View on Amazon · Full data on KDPTop

  7. Wright Sites: A Guide to Frank Lloyd Wright Public Places book cover by Frank Lloyd Wright Building Conservancy

    Wright Sites: A Guide to Frank Lloyd Wright Public Places

    by Frank Lloyd Wright Building Conservancy

    • List rank#7
    • Price$2.99
    • Rating4.7
    • Reviews209

    View on Amazon · Full data on KDPTop

  8. Interior Design Since 1900: Fourth Edition (World of Art Book 0) book cover by Anne Massey

    Interior Design Since 1900: Fourth Edition (World of Art Book 0)

    by Anne Massey

    • List rank#8
    • Price-
    • Rating4.8
    • Reviews52

    View on Amazon · Full data on KDPTop

  9. Interior Architecture: From Brief to Build book cover by Jennifer Hudson

    Interior Architecture: From Brief to Build

    by Jennifer Hudson

    • List rank#9
    • Price$2.99
    • Rating4.8
    • Reviews17

    View on Amazon · Full data on KDPTop

  10. Apple Store, Fifth Avenue: Iconic Architecture from LEGO bricks Series (Bricks and Mortar  book cover by Dave Prochnow

    Apple Store, Fifth Avenue: Iconic Architecture from LEGO bricks Series (Bricks and Mortar Series Book 1)

    by Dave Prochnow

    • List rank#10
    • Price$2.99
    • Rating2.6
    • Reviews4

    View on Amazon · Full data on KDPTop

FAQ

Is Reference a good niche for Amazon KDP?

Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 28 reviews and sells for $8.

How many reviews do you need to rank in Reference?

The median best seller has 28 reviews, and 82% of them have fewer than 100.

What do Reference best sellers cost?

The median price is $8; half of the best sellers are priced between $4.80 and $14.53.

Can new books break into Reference?

7% 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.