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K.J. Field: Amazon KDP author data
As of Nov 6, 2026, K.J. Field has 20 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #1), mostly in Astronomy, Astronomy & Space, Aeronautics & Space.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $13.70 |
| Median reviews | 28 |
| Total reviews | 2,149 |
| New listings (30 days, incl. new editions) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 65% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $8.99, 50% above the median of their main category, Astronomy.
K.J. Field's best-ranked books
-
My First Book of Dwarf Planets: A Kid's Guide to the Solar System's Small Planets
by K.J. Field
- Price$5.99
- Rating4.6
- Reviews113
-
5 Little Dwarf Planets: A Rhyming Solar System Book for Toddlers and Kids
by K.J. Field
- Price$5.99
- Rating4.8
- Reviews217
-
Pluto's Big Day: A Rhyming Solar System Story for Kids Starring Dwarf Planet Pluto (Dwarf Planet Adventures)
by K.J. Field
- Price$5.99
- Rating5.0
- Reviews1
-
Jupiter the Gassy Giant : A Funny Solar System Book for Kids about the Chemistry of Planet Jupiter (Planet Tales)
by K.J. Field
- Price$5.99
- Rating4.4
- Reviews281
-
The Night Luna's Light Went Out: A Solar System Story for Kids about the Earth and the Moon
by K.J. Field
- Price$5.99
- Rating4.4
- Reviews420
-
Jupiter the Gassy Giant: A Funny Solar System Book for Kids about the Chemistry of Planet Jupiter (Planet Tales)
by K.J. Field
- Price$12.95
- Rating4.4
- Reviews281
-
Saturn the Ring King: A Funny Solar System Book for Kids about the Planet Saturn and Its Moons (Planet Tales)
by K.J. Field
- Price$5.99
- Rating4.9
- Reviews12
-
The Night Luna's Light Went Out: A Solar System Story for Kids about the Earth and the Moon
by K.J. Field
- Price$12.95
- Rating4.4
- Reviews420
-
Pluto's Big Day: A Rhyming Solar System Story for Kids Starring Dwarf Planet Pluto (Dwarf Planet Adventures)
by K.J. Field
- Price$13.95
- Reviews-
-
Haumea's Big Day: A Rhyming Solar System Story for Kids Starring the Dwarf Planet Haumea (Dwarf Planet Adventures)
by K.J. Field
- Price$5.99
- Rating4.8
- Reviews28
Main categories
FAQ
How many books does K.J. Field have on Amazon?
KDPTop tracks 20 of their books; 13 made an Amazon list in the last 30 days.
Which categories does K.J. Field publish in?
Their books chart most often in Astronomy, Astronomy & Space, Aeronautics & Space.
How does K.J. Field price their books?
The median price is $8.99; half of the books cost $5.99–$13.70.
Has K.J. Field released new books recently?
2 new books in the last 30 days, 2 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.