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Astronomy (Science & Medicine, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Astronomy (Science & Medicine, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 296 reviews, average rating 4.5 and a KDPTop opportunity score of 19/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $14.29 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 28% of the parent category Science & Medicine (1,056), one of the easier corners under it.
- Its review barrier is higher than in 74% of Kindle eBooks categories: the median best seller has 296 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $3.99 to $14.29, so budget editions and premium or boxed sets sell side by side.
Top 10 Astronomy best sellers
-
Relativity: The Special And The General Theory
- List rank#1
- Price$0.99
- Rating4.3
- Reviews5,802
-
First Strike: Invasion! #1 (Star Trek: The Original Series Book 79)
by Diane Carey
- List rank#2
- Price$1.99
- Rating4.2
- Reviews177
-
Classical Mythology of the Constellations: Timeless Tales of the Starry Night Sky
- List rank#3
- Price$1.99
- Rating4.8
- Reviews88
-
Sea People: The Puzzle of Polynesia — A Narrative of the South Seas and Polynesia
by Christina Thompson
- List rank#4
- Price$14.99
- Rating4.5
- Reviews2,012
-
The Invention of Science: A New History of the Scientific Revolution
by David Wootton
- List rank#5
- Price$12.99
- Rating4.3
- Reviews385
-
Apollo 13: A National Bestselling Astronaut Memoir of Survival in Space and NASA's Finest Hour
by James Lovell
- List rank#6
- Price$14.99
- Rating4.8
- Reviews2,218
-
Cydonia: The Secret Chronicles of Mars
by David Flynn
- List rank#7
- Price$9.50
- Rating4.6
- Reviews112
-
The Clockwork Universe: Isaac Newton, the Royal Society, and the Birth of the Modern World: Isaac Newton, the Royal Society, & the Birth of the Modern World
- List rank#8
- Price$10.44
- Rating4.5
- Reviews663
-
To Explain the World: The Discovery of Modern Science
by Steven Weinberg
- List rank#9
- Price$10.89
- Rating4.0
- Reviews947
-
Fingerprints of the Gods: The Evidence of Earth's Lost Civilization
- List rank#10
- Price$12.99
- Rating4.7
- Reviews5,108
FAQ
Is Astronomy a good niche for Amazon KDP?
Its KDPTop opportunity score is 19/100, which makes it highly competitive. The median best seller has 296 reviews and sells for $9.99.
How many reviews do you need to rank in Astronomy?
The median best seller has 296 reviews, and 35% of them have fewer than 100.
What do Astronomy best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.99 and $14.29.
Can new books break into Astronomy?
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.