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Sarah Janssen: Amazon KDP author data
Sarah Janssen has 17 books on Amazon, 17 of them on a best-seller list in the last 30 days (best rank #2), mostly in Almanacs, Almanacs & Yearbooks, Encyclopedias.
17Books on Amazon
17Listed in 30 days
4.7Average rating
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $10.99 – $12.99 |
| Median reviews | 797 |
| Total reviews | 13,848 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.99, 45% above the median of their main category, Almanacs.
Sarah Janssen's best-ranked books
-
The World Almanac and Book of Facts 2027
by Sarah Janssen
- Price$16.77
- Reviews-
- Published2026-12
-
The World Almanac and Book of Facts 2026
by Sarah Janssen
- Price$12.99
- Rating4.8
- Reviews475
-
The World Almanac and Book of Facts 2027
by Sarah Janssen
- Price$12.99
- Reviews-
-
The World Almanac and Book of Facts 2026
by Sarah Janssen
- Price$12.49
- Rating4.8
- Reviews475
-
The World Almanac and Book of Facts 2024
by Sarah Janssen
- Price$12.99
- Rating4.8
- Reviews822
-
The World Almanac and Book of Facts 2023
by Sarah Janssen
- Price$12.99
- Rating4.8
- Reviews1,019
-
The World Almanac and Book of Facts 2025
by Sarah Janssen
- Price$12.99
- Rating4.7
- Reviews797
-
The World Almanac and Book of Facts 2022
by Sarah Janssen
- Price$12.99
- Rating4.8
- Reviews1,974
-
The World Almanac and Book of Facts 2021
by Sarah Janssen
- Price$10.99
- Rating4.7
- Reviews3,149
-
The World Almanac and Book of Facts 2019
by Sarah Janssen
- Price$10.99
- Rating4.7
- Reviews868
Main categories
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.