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Astronomy (Science & Technology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Astronomy (Science & Technology, Books), updated Nov 2, 2026: median price $14.27, median 50 reviews, average rating 4.6 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $17.98 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 15% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 15% of the parent category Science & Technology (325), one of the easier corners under it.
- 15% of its best sellers came out in the last 90 days, more than in 80% of Books categories: readers here keep buying new titles.
Top 10 Astronomy best sellers
-
Space - Solar System: Knowledge Encyclopedia For Children
- List rank#1
- Price$5.99
- Rating4.6
- Reviews1,131
-
What Do We Know About the Solar System? (Earth, Space, & Beyond)
by Ian Graham
- List rank#2
- Price$6.24
- Rating5.0
- Reviews2
-
The Stars: A New Way to See Them: A Classic Illustrated Astronomy Reference about Our Solar System and the Universe
by H. A. Rey
- List rank#3
- Price$9.67
- Rating4.8
- Reviews844
-
Knowledge Encyclopedia - Space (Knowledge Encyclopedia For Children)
- List rank#4
- Price$18.63
- Rating4.8
- Reviews890
-
Space - Constellations: Knowledge Encyclopedia For Children
- List rank#5
- Price$5.60
- Rating4.6
- Reviews452
-
Incredibly Interesting Science Facts For Smart Kids: Think You Know Science? Think Again! — Here are 999+ Fascinating Science Facts: Mind-Blowing Discoveries & Inventions from Around the World
by Petite Dreamer
- List rank#6
- Price$14.99
- Rating4.5
- Reviews239
-
Space (Knowledge Encyclopedia For Children)
- List rank#7
- Price$5.99
- Rating4.4
- Reviews442
-
Science Knowledge Encyclopedia for Children : Collection of 6 Books (Box Set)
- List rank#8
- Price$34.99
- Rating4.6
- Reviews869
-
My Very First Telescope: Discover Constellations & Planets for Kids
by Philip Andreas Steinmetz
- List rank#9
- Price$14.99
- Rating4.8
- Reviews57
-
The Jazz of Physics: The Secret Link Between Music and the Structure of the Universe
by Stephon Alexander
- List rank#10
- Price$10.30
- Rating4.5
- Reviews505
FAQ
Is Astronomy a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 50 reviews and sells for $14.27.
How many reviews do you need to rank in Astronomy?
The median best seller has 50 reviews, and 75% of them have fewer than 100.
What do Astronomy best sellers cost?
The median price is $14.27; half of the best sellers are priced between $9.99 and $17.98.
Can new books break into Astronomy?
15% 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.