KDP categories · Top KDP authors

Bruce Betts: Amazon KDP author data

As of Nov 6, 2026, Bruce Betts has 10 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #1), mostly in Astronomy, Astronomy & Space, Science Studies.

10Books on Amazon
6Listed in 30 days
4.7Average rating
Median price$9.50
Price range (middle 50%)$7.99 – $11.69
Median reviews882
Total reviews41,621
New books (30 days)0
Breakout books (30 days)0

View on Amazon

What stands out

  • 60% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $9.50, 59% above the median of their main category, Astronomy.

Bruce Betts's best-ranked books

  1. My First Book of Planets: All About the Solar System for Kids book cover by Bruce Betts

    My First Book of Planets: All About the Solar System for Kids

    by Bruce Betts

    • Price$8.99
    • Rating4.8
    • Reviews17,916

    View on Amazon · Full data on KDPTop

  2. My First Book of Planets: All About the Solar System for Kids book cover by Bruce Betts

    My First Book of Planets: All About the Solar System for Kids

    by Bruce Betts

    • Price$10.01
    • Rating4.8
    • Reviews17,916

    View on Amazon · Full data on KDPTop

  3. The Solar System Reference for Teens: A Fascinating Guide to Our Planets, Moons, Space Pro book cover by Bruce Betts

    The Solar System Reference for Teens: A Fascinating Guide to Our Planets, Moons, Space Programs, and More

    by Bruce Betts

    • Price$14.21
    • Rating4.8
    • Reviews60

    View on Amazon · Full data on KDPTop

  4. Space Exploration for Kids: A Junior Scientist's Guide to Astronauts, Rockets, and Life in book cover by Bruce Betts

    Space Exploration for Kids: A Junior Scientist's Guide to Astronauts, Rockets, and Life in Zero Gravity

    by Bruce Betts

    • Price$8.99
    • Rating4.8
    • Reviews616

    View on Amazon · Full data on KDPTop

  5. Super Cool Space Facts: A Fun, Fact-Filled Space Book for Kids book cover by Bruce Betts

    Super Cool Space Facts: A Fun, Fact-Filled Space Book for Kids

    by Bruce Betts

    • Price$11.99
    • Rating4.8
    • Reviews1,147

    View on Amazon · Full data on KDPTop

  6. Solar System Reference for Teens: A Fascinating Guide to Our Planets, Moons, Space Program book cover by Bruce Betts

    Solar System Reference for Teens: A Fascinating Guide to Our Planets, Moons, Space Programs, and More

    by Bruce Betts

    • Price$11.99
    • Rating4.8
    • Reviews60

    View on Amazon · Full data on KDPTop

  7. Astronomy for Kids: How to Explore Outer Space with Binoculars, a Telescope, or Just Your  book cover by Bruce Betts

    Astronomy for Kids: How to Explore Outer Space with Binoculars, a Telescope, or Just Your Eyes!

    by Bruce Betts

    • Price$3.78
    • Rating4.7
    • Reviews2,138
    • Published2018-11

    View on Amazon · Full data on KDPTop

  8. Super Cool Space Facts: A Fun, Fact-filled Space Book for Kids book cover by Bruce Betts

    Super Cool Space Facts: A Fun, Fact-filled Space Book for Kids

    by Bruce Betts

    • Price$7.65
    • Rating4.8
    • Reviews1,147
    • Published2019-09

    View on Amazon · Full data on KDPTop

  9. Space Exploration for Kids: A Junior Scientist's Guide to Astronauts, Rockets, and Life in book cover by Bruce Betts

    Space Exploration for Kids: A Junior Scientist's Guide to Astronauts, Rockets, and Life in Zero Gravity

    by Bruce Betts

    • Price$7.44
    • Rating4.8
    • Reviews615
    • Published2020-09

    View on Amazon · Full data on KDPTop

  10. Saturn: The Ringed Planet (Exploring Our Solar System with The Planetary Society ®) book cover by Bruce Betts

    Saturn: The Ringed Planet (Exploring Our Solar System with The Planetary Society ®)

    by Bruce Betts

    • Price$10.77
    • Rating3.9
    • Reviews6
    • Published2024-08

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Bruce Betts have on Amazon?

KDPTop tracks 10 of their books; 6 made an Amazon list in the last 30 days.

Which categories does Bruce Betts publish in?

Their books chart most often in Astronomy, Astronomy & Space, Science Studies.

How does Bruce Betts price their books?

The median price is $9.50; half of the books cost $7.99–$11.69.

Has Bruce Betts released new books recently?

0 new books in the last 30 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.