KDP categories · Top KDP authors
Fossils (Nature, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Fossils (Nature, Kindle eBooks), updated Nov 2, 2026: median price $5.99, median 24 reviews, average rating 4.6 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $9.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 3% of the parent category Nature (749), one of the easier corners under it.
- Prices spread wide: the middle half runs from $3.99 to $9.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Fossils best sellers
-
Allosaurus (Introducing Dinosaurs)
by Susan H. Gray
- List rank#1
- Price$15.64
- Rating4.4
- Reviews3
-
What If You Had T. Rex Teeth?: And Other Dinosaur Parts (What If You Had... ?)
- List rank#2
- Price$2.99
- Rating4.8
- Reviews854
-
Psittacosaurus (Exploring Dinosaurs and Prehistoric Creatures)
by Susan H. Gray
- List rank#3
- Price$17.07
- Rating5.0
- Reviews1
-
1000+ Amazing Facts About Dinosaurs for Kids with Curious Minds: A Fun & Quirky Dinosaur Book Packed with Incredible Trivia for Ages 8-12 (Facts Books for Kids (Age 8-12))
by Rainbow Artworks
- List rank#4
- Price$2.99
- Rating5.0
- Reviews2
-
Fossils for Kids: A Junior Scientist's Guide to Dinosaur Bones, Ancient Animals, and Prehistoric Life on Earth
by Ashley Hall
- List rank#5
- Price$3.99
- Rating4.8
- Reviews647
-
Tyrannosaurus Rex (Introducing Dinosaurs)
by Susan H. Gray
- List rank#6
- Price$15.64
- Rating5.0
- Reviews1
-
Deadly Dinos (Reading Rocks!)
by K. C. Kelley
- List rank#7
- Price$17.07
- Rating5.0
- Reviews1
-
Ammonoids (Exploring Dinosaurs and Prehistoric Creatures)
by Susan H. Gray
- List rank#8
- Price$17.07
- Rating3.2
- Reviews3
-
Dino ABC - A Dinosaur Alphabet Book for Kids. Learn the Letters With Prehistoric Creatures for Toddlers and Children (FunFact ABCs)
- List rank#9
- Price$3.99
- Rating4.5
- Reviews100
-
Spinosaurus (Introducing Dinosaurs)
by Susan H. Gray
- List rank#10
- Price$15.64
- Rating4.5
- Reviews5
Same niche in Books: Fossils
FAQ
Is Fossils a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 24 reviews and sells for $5.99.
How many reviews do you need to rank in Fossils?
The median best seller has 24 reviews, and 68% of them have fewer than 100.
What do Fossils best sellers cost?
The median price is $5.99; half of the best sellers are priced between $3.99 and $9.99.
Can new books break into Fossils?
9% 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.