KDP categories · Top KDP authors
Rex Langley: Amazon KDP author data
As of Nov 6, 2026, Rex Langley has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #1), mostly in Education & Reference, Modern, History.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $14.95 |
| Median reviews | 176 |
| Total reviews | 702 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Rex Langley's best-ranked books
-
History's Strangest Mysteries: An Investigation For Young Readers (Adventures in History)
by Rex Langley
- Price$14.95
- Rating4.5
- Reviews289
-
Weapons That Rewrote History
by Rex Langley
- Price$2.99
- Reviews-
- Published2026-10
-
History's Strangest Mysteries: An Investigation For Young Readers (Adventures in History)
by Rex Langley
- Price$4.99
- Rating4.5
- Reviews289
-
History's Great Escapes: Amazing True Stories of Freedom and Bravery (Adventures in History)
by Rex Langley
- Price$4.99
- Rating4.8
- Reviews62
- Published2025-01
-
History's Great Escapes: Amazing True Stories of Freedom and Bravery (Adventures in History)
by Rex Langley
- Price$14.95
- Rating4.8
- Reviews62
Main categories
FAQ
How many books does Rex Langley have on Amazon?
KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Rex Langley publish in?
Their books chart most often in Education & Reference, Modern, History.
How does Rex Langley price their books?
The median price is $4.99; half of the books cost $4.99–$14.95.
Has Rex Langley released new books recently?
1 new book 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.