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Space Exploration (Children's eBooks › Science Fiction, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Space Exploration (Children's eBooks › Science Fiction, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 56 reviews, average rating 4.6 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $8.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 20% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 3% of the parent category Science Fiction (2,066), 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.
- 20% of its best sellers came out in the last 90 days, more than in 86% of Kindle eBooks categories: readers here keep buying new titles.
Top 10 Space Exploration best sellers
-
Snoopy: First Beagle in Space: A PEANUTS Collection (Peanuts Kids Book 14) (Volume 14)
- List rank#1
- Price$2.99
- Rating4.7
- Reviews1,133
-
The Void Dragons (The Dragonships Series Book 3)
by Scott Reintgen
- List rank#2
- Price$10.99
- Rating4.8
- Reviews75
-
Pete the Cat's Mars Mission (I Can Read Level 1)
by James Dean
- List rank#3
- Price$4.99
- Rating4.6
- Reviews110
-
The Search for WondLa
by Tony DiTerlizzi
- List rank#4
- Price$1.99
- Rating4.6
- Reviews426
-
The Last Dragon on Mars (Dragonships Book 1)
by Scott Reintgen
- List rank#5
- Price$9.99
- Rating4.7
- Reviews367
-
War With The Evil Power Master (Choose Your Own Adventure Book 12)
- List rank#6
- Price$2.99
- Rating4.5
- Reviews35
-
FGTeeV: Blasts Off!: A Wild Journey Through the Cosmos with YouTube's Favorite Gamer Family, for Kids (Ages 8-12)
by FGTeeV
- List rank#7
- Price$13.99
- Rating4.8
- Reviews598
-
A Rover's Story: A Mars rover named Res learns to feel—facing dust storms, cliffs, and a bond with a drone named Fly, ages 8-12
by Jasmine Warga
- List rank#8
- Price$9.49
- Rating4.7
- Reviews839
-
Norby the Mixed-Up Robot (The Norby Chronicles Book 1)
by Isaac Asimov
- List rank#9
- Price$7.99
- Rating4.3
- Reviews101
-
Trapped (The Prometheus Project Book 1)
- List rank#10
- Price$0.99
- Rating4.4
- Reviews2,022
FAQ
Is Space Exploration a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 56 reviews and sells for $4.99.
How many reviews do you need to rank in Space Exploration?
The median best seller has 56 reviews, and 59% of them have fewer than 100.
What do Space Exploration best sellers cost?
The median price is $4.99; half of the best sellers are priced between $3.99 and $8.99.
Can new books break into Space Exploration?
20% 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.