KDP categories · Top KDP authors
Sarah Allen: Amazon KDP author data
As of Nov 6, 2026, Sarah Allen has 23 books on Amazon, 14 of them on a best-seller list in the last 30 days (best rank #2), mostly in Physics, Science for Kids, Mechanics.
| Median price | $8.44 |
|---|---|
| Price range (middle 50%) | $5.99 – $14.99 |
| Median reviews | 31 |
| Total reviews | 1,709 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- 61% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $8.44, 22% below the median of their main category, Physics.
Sarah Allen's best-ranked books
-
Fairy Tale Physics: Books 1-4
by Sarah Allen
- Price$29.99
- Rating4.6
- Reviews74
-
Newton's Laws: A Fairy Tale (Fairy Tale Physics)
by Sarah Allen
- Price$5.99
- Rating4.4
- Reviews15
-
Newton's Laws: A Fairy Tale (Fairy Tale Physics)
by Sarah Allen
- Price$14.99
- Rating4.4
- Reviews15
-
Gravity: A Fairy Tale (Fairy Tale Physics)
by Sarah Allen
- Price$5.99
- Rating4.6
- Reviews36
-
Allora and the Puzzles of Archimedes: Fairy Tale Physics
by Sarah Allen
- Price$10.99
- Rating4.8
- Reviews59
-
Newton's Laws: A Fairy Tale (Fairy Tale Physics)
by Sarah Allen
- Price$14.99
- Rating4.3
- Reviews252
-
Light: A Fairy Tale (Fairy Tale Physics)
by Sarah Allen
- Price$14.99
- Rating4.5
- Reviews141
-
Gravity: A Fairy Tale (Fairy Tale Physics)
by Sarah Allen
- Price$14.99
- Rating4.6
- Reviews36
-
Brainy Tales: Early Learners Edition
by Sarah Allen
- Price$6.95
- Rating5.0
- Reviews2
- Published2026-03
-
Newton's Laws: A Fairy Tale: Fairy Tale Physics, Book 1
by Sarah Allen
- Price$8.44
- Rating4.3
- Reviews252
Main categories
FAQ
How many books does Sarah Allen have on Amazon?
KDPTop tracks 23 of their books; 14 made an Amazon list in the last 30 days.
Which categories does Sarah Allen publish in?
Their books chart most often in Physics, Science for Kids, Mechanics.
How does Sarah Allen price their books?
The median price is $8.44; half of the books cost $5.99–$14.99.
Has Sarah Allen 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.