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Mermaids (Fantasy, Books): Amazon KDP category data
Amazon Books Best Sellers data for Mermaids (Fantasy, Books), updated Nov 2, 2026: median price $7.49, median 216 reviews, average rating 4.7 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $6.16 – $10.93 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Fantasy (6,132), one of the easier corners under it.
- At $7.49 its median price is below 96% of Books categories, so it is a volume game.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Mermaids best sellers
-
How to Catch® a Mermaid: A Magical Ocean Themed Adventure
by Adam Wallace
- List rank#1
- Price$7.88
- Rating4.8
- Reviews35,380
-
Big Book of Colouring for Girls: Children Ages 4+ (Big Books of Colouring (Ages 4+))
by FairyWren Publishing
- List rank#2
- Price$6.99
- Rating4.8
- Reviews1,579
-
Pinkalicious: A Sparkling Pink Adventure About Cupcakes, Self-Expression, and Being You
- List rank#3
- Price$10.87
- Rating4.8
- Reviews1,867
-
My Big Sticker Dress-Up®: Sparkle Sweeties: Awesome Activity Book with 900+ Reusable Stickers for Unlimited Possibilities!
- List rank#4
- Price$8.99
- Rating4.8
- Reviews249
-
My Sticker Dress-Up®: Mermaids: Reusable Sticker Activity Book for Endless Creative Play!
- List rank#5
- Price$6
- Rating4.8
- Reviews755
-
Paint by Sticker Kids (Official): Mermaids & Magic!: Create 10 Pictures One Sticker at a Time! Includes Glitter Stickers
- List rank#6
- Price$5.87
- Rating4.8
- Reviews2,768
-
Emily Windsnap: Six Swishy Tails of Land and Sea: Books 1-6 (Box Set of Six Middle-Grade Fantasy Novels Featuring Underwater Adventures and Friendship Magic)
by Liz Kessler
- List rank#7
- Price$19.50
- Rating4.8
- Reviews3,486
-
My Activity Book of Pretty Pink Fun for Girls 4-8: Ballerinas, Fairies, Princesses, and More! (Coloring Pages, Mazes, Dot-to-Dots, Puzzles, Stories, and More)
by Lodi Publishing
- List rank#8
- Price$9.29
- Rating4.8
- Reviews640
-
Magical Mermaids! (Shimmer and Shine) (Step into Reading, Step 1)
by Random House
- List rank#9
- Price$4.17
- Rating4.8
- Reviews1,076
-
Baby Touch and Feel Mermaid: An Interactive Ocean Princess Board Book
by DK
- List rank#10
- Price$7.45
- Rating4.7
- Reviews3,289
Same niche in Kindle eBooks: Mermaids & Mermen
FAQ
Is Mermaids a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 216 reviews and sells for $7.49.
How many reviews do you need to rank in Mermaids?
The median best seller has 216 reviews, and 35% of them have fewer than 100.
What do Mermaids best sellers cost?
The median price is $7.49; half of the best sellers are priced between $6.16 and $10.93.
Can new books break into Mermaids?
4% 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.