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Adam Jay Epstein: Amazon KDP author data
As of Nov 6, 2026, Adam Jay Epstein has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #20), mostly in Pirates, Humorous, Frogs & Toads.
| Median price | $7.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $10.49 |
| Median reviews | 713 |
| Total reviews | 2,922 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 0 |
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 $7.99, 39% above the median of their main category, Pirates.
Adam Jay Epstein's best-ranked books
-
The Familiars: A streetwise alley cat poses as a wizard's familiar, then joins a blue jay and tree frog to defeat an evil queen.
by Adam Jay Epstein
- Price$4.99
- Rating4.7
- Reviews733
-
Secrets of the Crown (Familiars Book 2)
by Adam Jay Epstein
- Price$5.99
- Rating4.7
- Reviews711
-
Palace of Dreams: A Magical Chapter Book About Animal Heroes on a Quest to Solve a Royal Mystery for Kids (Ages 8-12) (Familiars 4)
by Adam Jay Epstein
- Price$10.49
- Rating4.8
- Reviews715
-
The Familiars: A streetwise alley cat named Aldwyn poses as a wizard's familiar―then teams with a blue jay and tree frog to defeat an evil queen
by Adam Jay Epstein
- Price$7.99
- Rating4.7
- Reviews733
- Published2011-06
-
Class Acts Kids'ook Sampler: Discover Twelve Adventures from New York Times Bestselling Middle-Grade Authors for Children (Ages 8-12)
by Adam Jay Epstein
- Price$0
- Rating3.1
- Reviews27
- Published2012-08
-
Have You Seen Axel? (Have You Seen Gordon?)
by Adam Jay Epstein
- Price$10.99
- Rating4.6
- Reviews3
Main categories
FAQ
How many books does Adam Jay Epstein have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Adam Jay Epstein publish in?
Their books chart most often in Pirates, Humorous, Frogs & Toads.
How does Adam Jay Epstein price their books?
The median price is $7.99; half of the books cost $5.99–$10.49.
Has Adam Jay Epstein released new books recently?
1 new book 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.