KDP categories · Top KDP authors

Ecosystems: Amazon KDP category data

Amazon Books Best Sellers data for Ecosystems, updated Nov 2, 2026: median price $16.13, median 518 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).

28Opportunity / 100
$16.13Median price
518Median reviews
Price range (middle 50%)$11.25 – $24.30
Average rating4.6
New releases (90 days)8%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 30% of the parent category Nature & Ecology (1,709), one of the easier corners under it.
  • Its review barrier is higher than in 77% of Books categories: the median best seller has 518 reviews, so new books need time to build up.

Top 10 Ecosystems best sellers

  1. Ocean: A Photicular Book book cover by Dan Kainen

    Ocean: A Photicular Book

    by Dan Kainen

    • List rank#1
    • Price$25.25
    • Rating4.8
    • Reviews1,544

    View on Amazon · Full data on KDPTop

  2. The Hidden Life of Trees: What They Feel, How They Communicate―Discoveries from A Secret W book cover by Peter Wohlleben

    The Hidden Life of Trees: What They Feel, How They Communicate―Discoveries from A Secret World (The Mysteries of Nature, 1)

    by Peter Wohlleben

    • List rank#2
    • Price$13.83
    • Rating4.6
    • Reviews13,832

    View on Amazon · Full data on KDPTop

  3. Desert Solitaire book cover by Edward Abbey

    Desert Solitaire

    by Edward Abbey

    • List rank#3
    • Price$7.59
    • Rating4.5
    • Reviews5,111

    View on Amazon · Full data on KDPTop

  4. Polar: A Photicular Book book cover by Dan Kainen

    Polar: A Photicular Book

    by Dan Kainen

    • List rank#4
    • Price$20.40
    • Rating4.9
    • Reviews699

    View on Amazon · Full data on KDPTop

  5. Peterson Field Guide To Birds Of Eastern & Central North America, Seventh Ed.: The Classic book cover by Roger Tory Peterson

    Peterson Field Guide To Birds Of Eastern & Central North America, Seventh Ed.: The Classic Birdwatching Guide with Updated Range Maps

    by Roger Tory Peterson

    • List rank#5
    • Price$10.17
    • Rating4.8
    • Reviews2,199

    View on Amazon · Full data on KDPTop

  6. 438 Days: An Extraordinary True Story of Survival at Sea book cover by Jonathan Franklin

    438 Days: An Extraordinary True Story of Survival at Sea

    by Jonathan Franklin

    • List rank#6
    • Price$10.10
    • Rating4.6
    • Reviews9,257

    View on Amazon · Full data on KDPTop

  7. Ocean Anatomy: The Curious Parts & Pieces of the World under the Sea book cover by Julia Rothman

    Ocean Anatomy: The Curious Parts & Pieces of the World under the Sea

    by Julia Rothman

    • List rank#7
    • Price$13.32
    • Rating4.9
    • Reviews3,025

    View on Amazon · Full data on KDPTop

  8. The Perfect Storm: A True Story of Men Against the Sea book cover by Sebastian Junger

    The Perfect Storm: A True Story of Men Against the Sea

    by Sebastian Junger

    • List rank#8
    • Price$16.69
    • Rating4.6
    • Reviews3,383

    View on Amazon · Full data on KDPTop

  9. The Hidden Life of Trees: The Illustrated Edition (David Suzuki Institute) book cover by Peter Wohlleben

    The Hidden Life of Trees: The Illustrated Edition (David Suzuki Institute)

    by Peter Wohlleben

    • List rank#9
    • Price$19.46
    • Rating4.9
    • Reviews1,771

    View on Amazon · Full data on KDPTop

  10. Before New York: The Natural Geography of the City: An Atlas and Gazetteer book cover by Eric W. Sanderson

    Before New York: The Natural Geography of the City: An Atlas and Gazetteer

    by Eric W. Sanderson

    • List rank#10
    • Price$125
    • Reviews-

    View on Amazon · Full data on KDPTop

Subcategories

FAQ

Is Ecosystems a good niche for Amazon KDP?

Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 518 reviews and sells for $16.13.

How many reviews do you need to rank in Ecosystems?

The median best seller has 518 reviews, and 19% of them have fewer than 100.

What do Ecosystems best sellers cost?

The median price is $16.13; half of the best sellers are priced between $11.25 and $24.30.

Can new books break into Ecosystems?

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.