KDP categories · Top KDP authors
Crispin Boyer: Amazon KDP author data
As of Nov 6, 2026, Crispin Boyer has 15 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #1), mostly in Atlases, Law & Crime, Children's Books.
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $7.96 – $11.89 |
| Median reviews | 188 |
| Total reviews | 19,751 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 80% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $9.99, 20% below the median of their main category, Atlases.
Crispin Boyer's best-ranked books
-
National Geographic Kids Why?: Over 1,111 Answers to Everything (NGK Why?)
by Crispin Boyer
- Price$17
- Rating4.8
- Reviews15,370
- Published2015-10
-
National Geographic Kids Everything Ancient Egypt: Dig Into a Treasure Trove of Facts, Photos, and Fun
by Crispin Boyer
- Price$8.20
- Rating4.8
- Reviews883
- Published2012-02
-
How to Survive in the Age of Pirates: A Handy Guide to Swashbuckling Adventures, Avoiding Deadly Diseases, and Escaping the Ruthless Renegades of the High Seas
by Crispin Boyer
- Price$6.70
- Rating4.6
- Reviews12
-
National Geographic Kids Ultimate U.S. Road Trip Atlas, 2nd Edition (NGK Atlases)
by Crispin Boyer
- Price$9.99
- Rating4.6
- Reviews800
-
National Geographic Kids Everything Castles: Capture These Facts, Photos, and Fun to Be King of the Castle!
by Crispin Boyer
- Price$10.24
- Rating4.8
- Reviews218
- Published2011-10
-
National Geographic Kids Ultimate U.S. Road Trip Atlas, 2nd Edition (NGK Atlases)
by Crispin Boyer
- Price$9.99
- Rating4.6
- Reviews800
-
National Geographic Kids Why Not?: Over 1,111 Answers to Everything (NGK Why?)
by Crispin Boyer
- Price$11.68
- Rating4.8
- Reviews726
-
National Geographic Kids Ultimate U.S. Road Trip Atlas, 2nd Edition (NGK Atlases)
by Crispin Boyer
- Price$19.90
- Rating4.7
- Reviews14
-
Zeus the Mighty: The Quest for the Golden Fleas (Book 1)
by Crispin Boyer
- Price$7.93
- Rating4.7
- Reviews459
- Published2019-10
-
So Cute! Penguins (So Cool/So Cute)
by Crispin Boyer
- Price$6.99
- Rating4.6
- Reviews10
Main categories
FAQ
How many books does Crispin Boyer have on Amazon?
KDPTop tracks 15 of their books; 12 made an Amazon list in the last 30 days.
Which categories does Crispin Boyer publish in?
Their books chart most often in Atlases, Law & Crime, Children's Books.
How does Crispin Boyer price their books?
The median price is $9.99; half of the books cost $7.96–$11.89.
Has Crispin Boyer 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.