KDP categories · Top KDP authors

Tavian Orrell: Amazon KDP author data

As of Nov 6, 2026, Tavian Orrell has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #24), mostly in Astronomy, Comets, Meteors & Asteroids, Cosmology.

2Books on Amazon
2Listed in 30 days
-Average rating
Median price$8.99
Price range (middle 50%)$8.99 – $8.99
Median reviews-
Total reviews0
New books (30 days)2
Breakout books (30 days)1

View on Amazon

What stands out

  • Median price $8.99, 40% below the median of their main category, Astronomy.

Tavian Orrell's best-ranked books

  1. Night Sky Guide 2027: Exploring North America's Stars, Planets, Constellations, Meteor Sho book cover by Tavian Orrell

    Night Sky Guide 2027: Exploring North America's Stars, Planets, Constellations, Meteor Showers & Celestial Events

    by Tavian Orrell

    • Price$8.99
    • Reviews-
    • Published2026-09

    View on Amazon · Full data on KDPTop

  2. THE UNOFFICIAL ARTEMIS III REFERENCE GUIDE: The spacecraft, people, and systems behind NAS book cover by Tavian Orrell

    THE UNOFFICIAL ARTEMIS III REFERENCE GUIDE: The spacecraft, people, and systems behind NASA's planned Earth-orbit lander demonstration

    by Tavian Orrell

    • Price$8.99
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Tavian Orrell have on Amazon?

KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.

Which categories does Tavian Orrell publish in?

Their books chart most often in Astronomy, Comets, Meteors & Asteroids, Cosmology.

How does Tavian Orrell price their books?

The median price is $8.99; half of the books cost $8.99–$8.99.

Has Tavian Orrell released new books recently?

2 new books in the last 30 days, 1 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.