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Opposites (Basic Concepts, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Opposites (Basic Concepts, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 42 reviews, average rating 4.6 and a KDPTop opportunity score of 19/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $6.23 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 14% of the parent category Basic Concepts (310), one of the easier corners under it.
- At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.
Top 10 Opposites best sellers
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![Children's Book: Opposites [children's books about bears]: Animal Books for Children book cover by V Moua](https://images-na.ssl-images-amazon.com/images/I/81cF-HsJ1PL._UX300__PJkp-sticker-v1,TopRight,0,-50_AC_UL300_SR300,200_.jpg)
Children's Book: Opposites [children's books about bears]: Animal Books for Children
by V Moua
- List rank#1
- Price$1.99
- Rating4.4
- Reviews31
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Get Well Soon!: A Sweet and Silly Feel Better Picture Book for Toddlers and Kids with Sesame Street (the perfect uplifting sick day gift!) (Sesame Street Scribbles)
by Erin Guendelsberger
- List rank#4
- Price$3.99
- Rating4.9
- Reviews87
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¿Si yo fuera otro?: Un cuento en español para niños. Para preescolar, primeros grados (Spanish Edition)
by Maria Posa
- List rank#5
- Price$4.99
- Rating4.3
- Reviews14
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Ninja Life Hacks SHAPES: Perfect Children's Book for Babies, Toddlers, Preschool About Shapes (Little Ninja Life Hacks 2)
by Mary Nhin
- List rank#6
- Price$5.99
- Rating3.8
- Reviews17
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Learning Opposites with Squish: An Opposites Book for Toddlers and Preschoolers Ages 1 to 4 (Learning with Squish 6)
by Wesley Scholl
- List rank#7
- Price$2.99
- Rating5.0
- Reviews2
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Big Shark, Little Shark (Step into Reading, Step 1)
by Anna Membrino
- List rank#8
- Price$3.99
- Rating4.8
- Reviews11,959
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Pip the Bird: For Early Speech & Language Development (A fun & interactive children's book to encourage functional words)
by Rachel Florence Myer
- List rank#9
- Price$3.99
- Rating4.7
- Reviews170
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My First Book of Opposites
by Wonder House Books
- List rank#10
- Price$0.99
- Rating4.2
- Reviews289
Same niche in Books: Opposites
FAQ
Is Opposites a good niche for Amazon KDP?
Its KDPTop opportunity score is 19/100, which makes it highly competitive. The median best seller has 42 reviews and sells for $4.99.
How many reviews do you need to rank in Opposites?
The median best seller has 42 reviews, and 63% of them have fewer than 100.
What do Opposites best sellers cost?
The median price is $4.99; half of the best sellers are priced between $2.99 and $6.23.
Can new books break into Opposites?
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.