KDP categories · Top KDP authors
James Hernandez: Amazon KDP author data
As of Nov 6, 2026, James Hernandez has 6 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #1), mostly in Study Skills, Education & Teaching, Studying & Workbooks.
| Median price | $3.97 |
|---|---|
| Price range (middle 50%) | $2.99 – $14.99 |
| Median reviews | 133 |
| Total reviews | 589 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $3.97, 20% below the median of their main category, Study Skills.
James Hernandez's best-ranked books
-
Layered Learning: Master Any Subject Faster, Crush Every Exam, and Retain Information Forever
by James Hernandez
- Price$2.99
- Rating4.7
- Reviews133
- Published2025-03
-
Active Revision: The Forgetting Curve, Fibonacci Sequence, and How to Layer Your Learning (Layered Learning)
by James Hernandez
- Price$2.99
- Reviews-
- Published2026-06
-
Layered Learning: Master Any Subject Faster, Crush Every Exam, and Retain Information Forever
by James Hernandez
- Price$14.99
- Rating4.7
- Reviews133
-
Layered Learning: Master Any Subject Faster, Crush Every Exam, and Retain Information Forever
by James Hernandez
- Price$14.99
- Rating4.7
- Reviews133
- Published2025-03
-
Layered Learning: Master Any Subject Faster, Crush Every Exam, and Retain Information Forever
by James Hernandez
- Price-
- Rating4.7
- Reviews133
- Published2025-03
-
On Recognizing Fascism
by James Hernandez
- Price$3.97
- Rating4.5
- Reviews57
-
Super Cheap New Zealand: The Ultimate Travel Guide for Budget Travelers, Backpackers, Campers, Students and Families (Japan Travel Guides by Matthew Baxter)
by James Hernandez
- Price$9.99
- Rating4.2
- Reviews27
- Published2019-09
Main categories
FAQ
How many books does James Hernandez have on Amazon?
KDPTop tracks 6 of their books; 3 made an Amazon list in the last 30 days.
Which categories does James Hernandez publish in?
Their books chart most often in Study Skills, Education & Teaching, Studying & Workbooks.
How does James Hernandez price their books?
The median price is $3.97; half of the books cost $2.99–$14.99.
Has James Hernandez 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.