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Katie Mack: Amazon KDP author data
As of Nov 6, 2026, Katie Mack has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #21), mostly in Astrophysics & Space Science, Cosmology, Astronomy & Space Science.
| Median price | $13.54 |
|---|---|
| Price range (middle 50%) | $12.46 – $14.24 |
| Median reviews | 3,367 |
| Total reviews | 10,101 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Katie Mack's best-ranked books
-
The End of Everything: (Astrophysically Speaking)
by Katie Mack
- Price$13.09
- Rating4.6
- Reviews3,367
-
The End of Everything: (Astrophysically Speaking)
by Katie Mack
- Price$13.99
- Rating4.6
- Reviews3,367
-
The End of Everything: (Astrophysically Speaking)
by Katie Mack
- Price$10.58
- Rating4.6
- Reviews3,367
-
How to Build a Universe: (Theoretically Speaking)
by Katie Mack
- Price$14.99
- Reviews-
- Published2027-03
-
How to Build a Universe: (Theoretically Speaking)
by Katie Mack
- Price-
- Reviews-
Main categories
FAQ
How many books does Katie Mack have on Amazon?
KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Katie Mack publish in?
Their books chart most often in Astrophysics & Space Science, Cosmology, Astronomy & Space Science.
How does Katie Mack price their books?
The median price is $13.54; half of the books cost $12.46–$14.24.
Has Katie Mack 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.