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Royal Observatory Greenwich: Amazon KDP author data
As of Nov 6, 2026, Royal Observatory Greenwich has 10 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #10), mostly in Astronomy, Astrophotography, Comets, Meteors & Asteroids.
| Median price | $15.32 |
|---|---|
| Price range (middle 50%) | $13.79 – $19.95 |
| Median reviews | 966 |
| Total reviews | 10,081 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 3 new books in the last 30 days, 3 of them broke into a Best Sellers list.
Royal Observatory Greenwich's best-ranked books
-
2027 Guide to the Night Sky: A Month-by-Month Guide to Exploring the Skies Above North America
by Royal Observatory Greenwich
- Price$13.99
- Reviews-
- Published2026-12
-
Night Sky Almanac 2027: A Stargazer’s Guide
by Royal Observatory Greenwich
- Price$16.99
- Rating4.6
- Reviews30
- Published2026-12
-
Astronomy Photographer of the Year: Collection 15
by Royal Observatory Greenwich
- Price$33.93
- Rating5.0
- Reviews8
-
Stargazing: Beginners Guide to Astronomy
by Royal Observatory Greenwich
- Price-
- Rating4.6
- Reviews2,685
-
Stargazing: Beginner’s guide to astronomy
by Royal Observatory Greenwich
- Price$13.79
- Rating4.6
- Reviews2,686
-
Moongazing: Beginner’s guide to exploring the Moon
by Royal Observatory Greenwich
- Price$8.99
- Rating4.7
- Reviews967
-
Moongazing: Beginner’S Guide to Exploring the Moon
by Royal Observatory Greenwich
- Price$15.32
- Rating4.7
- Reviews966
-
Astronomy Photographer of the Year: Collection 12
by Royal Observatory Greenwich
- Price$31.12
- Rating4.6
- Reviews50
-
Stargazing: Beginners guide to astronomy
by Royal Observatory Greenwich
- Price$12.49
- Rating4.6
- Reviews2,685
-
About Time Too: A Miscellany of Time
by Royal Observatory Greenwich
- Price$19.95
- Rating4.6
- Reviews5
Main categories
FAQ
How many books does Royal Observatory Greenwich have on Amazon?
KDPTop tracks 10 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Royal Observatory Greenwich publish in?
Their books chart most often in Astronomy, Astrophotography, Comets, Meteors & Asteroids.
How does Royal Observatory Greenwich price their books?
The median price is $15.32; half of the books cost $13.79–$19.95.
Has Royal Observatory Greenwich released new books recently?
3 new books in the last 30 days, 3 of which reached a Best Sellers list.
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.