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Mermaids & Mermen: Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Mermaids & Mermen, updated Nov 2, 2026: median price $3.99, median 57 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).

21Opportunity / 100
$3.99Median price
57Median reviews
Price range (middle 50%)$2.99 – $6.15
Average rating4.5
New releases (90 days)6%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 1% of the parent category Fantasy (7,979), one of the easier corners under it.
  • At $3.99 its median price is below 97% of Kindle eBooks categories, so it is a volume game.

Top 10 Mermaids & Mermen best sellers

  1. Wait... Is That a Mermaid?: A Hilarious, Interactive Bedtime Story About Imagination, Ocea book cover by Carina KIRSCHNER-MALEKIHA

    Wait... Is That a Mermaid?: A Hilarious, Interactive Bedtime Story About Imagination, Ocean Animals, Funny Adventures, and Silly Surprises for Kids Ages ... Girls) (The Wait... Is That? Series Book 3)

    by Carina KIRSCHNER-MALEKIHA

    • List rank#1
    • Price$3.99
    • Rating4.1
    • Reviews68

    View on Amazon · Full data on KDPTop

  2. Emerald the Mermaid (The Princess Emerald Mermaid Series Book 1) book cover by Mary K. Smith

    Emerald the Mermaid (The Princess Emerald Mermaid Series Book 1)

    by Mary K. Smith

    • List rank#2
    • Price$0.99
    • Rating4.3
    • Reviews3,165

    View on Amazon · Full data on KDPTop

  3. Five Fin-tastic Stories (Bubble Guppies) book cover by Nickelodeon Publishing

    Five Fin-tastic Stories (Bubble Guppies)

    by Nickelodeon Publishing

    • List rank#3
    • Price$7.99
    • Rating4.4
    • Reviews271

    View on Amazon · Full data on KDPTop

  4. Princess Emerald and the Shy Baby Sea Dragon: A Magical Mermaid Underwater Story About Cou book cover by Mary K. Smith

    Princess Emerald and the Shy Baby Sea Dragon: A Magical Mermaid Underwater Story About Courage and Confidence (The Princess Emerald Mermaid Series Book 3)

    by Mary K. Smith

    • List rank#4
    • Price$0.99
    • Rating4.6
    • Reviews24

    View on Amazon · Full data on KDPTop

  5. How to Catch® a Mermaid: A Magical Ocean Themed Adventure book cover by Adam Wallace

    How to Catch® a Mermaid: A Magical Ocean Themed Adventure

    by Adam Wallace

    • List rank#5
    • Price$7.49
    • Rating4.8
    • Reviews35,380

    View on Amazon · Full data on KDPTop

  6. It's Time for Bubble Puppy! (Bubble Guppies) book cover by Nickelodeon Publishing

    It's Time for Bubble Puppy! (Bubble Guppies)

    by Nickelodeon Publishing

    • List rank#6
    • Price-
    • Rating4.8
    • Reviews1,470

    View on Amazon · Full data on KDPTop

  7. Emerald and the Halloween Sea Spook: A Mermaid Adventure for Kids Ages 4–8 About Friendshi book cover by Mary K. Smith

    Emerald and the Halloween Sea Spook: A Mermaid Adventure for Kids Ages 4–8 About Friendship and Finding Your Courage (The Princess Emerald Mermaid Series Book 6)

    by Mary K. Smith

    • List rank#7
    • Price$0.99
    • Rating4.6
    • Reviews3

    View on Amazon · Full data on KDPTop

  8. Fairy Mermaids: The Mullet Run book cover by Shannon Mills

    Fairy Mermaids: The Mullet Run

    by Shannon Mills

    • List rank#8
    • Price$2.99
    • Rating4.6
    • Reviews177

    View on Amazon · Full data on KDPTop

  9. Fairy Mermaids: The Bottlenose Bind book cover by Shannon Mills

    Fairy Mermaids: The Bottlenose Bind

    by Shannon Mills

    • List rank#9
    • Price$2.99
    • Rating4.6
    • Reviews43

    View on Amazon · Full data on KDPTop

  10. Fairy Mermaids: Octopus Ordeal, A Halloween Story book cover by Shannon Mills

    Fairy Mermaids: Octopus Ordeal, A Halloween Story

    by Shannon Mills

    • List rank#10
    • Price$2.99
    • Rating4.9
    • Reviews29

    View on Amazon · Full data on KDPTop

Same niche in Books: Mermaids

FAQ

Is Mermaids & Mermen a good niche for Amazon KDP?

Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 57 reviews and sells for $3.99.

How many reviews do you need to rank in Mermaids & Mermen?

The median best seller has 57 reviews, and 64% of them have fewer than 100.

What do Mermaids & Mermen best sellers cost?

The median price is $3.99; half of the best sellers are priced between $2.99 and $6.15.

Can new books break into Mermaids & Mermen?

6% 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.