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Joseph Gray: Amazon KDP author data
As of Nov 6, 2026, Joseph Gray has 7 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #36), mostly in San Juan Islands, Short Story Collections, United States.
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $6 – $15.50 |
| Median reviews | 1 |
| Total reviews | 3 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 1 |
What stands out
- 86% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $9.99, 41% below the median of their main category, San Juan Islands.
- 3 new books in the last 30 days, 1 of them broke into a Best Sellers list.
Joseph Gray's best-ranked books
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HAWAII THE BIG ISLAND GUIDE 2027 : A Practical Handbook Featuring Regional Highlights, Scenic Routes, Outdoor Adventures, Family-Friendly Activities, Budget Tips, and Local Experiences
by Joseph Gray
- Price$6
- Reviews-
-
NEW MEXICO’S GILA WILDERNESS HIKING GUIDE 2026
by Joseph Gray
- Price$6
- Rating5.0
- Reviews1
-
SAN JUAN ISLANDS TRAVEL GUIDE 2025 (TRAVEL ACROSS THE GLOBAL DESTINATION GUIDE SERIES)
by Joseph Gray
- Price$15
- Reviews-
-
JOHANNESBURG TRAVEL GUIDE 2025 (TRAVEL ACROSS THE GLOBAL DESTINATION GUIDE SERIES Book 1)
by Joseph Gray
- Price$6
- Reviews-
-
The Little Globe Toddlers: A Journey Around the World
by Joseph Gray
- Price$9.99
- Rating5.0
- Reviews1
-
The Little Globe Toddlers: A Journey Around the World
by Joseph Gray
- Price$15.99
- Rating5.0
- Reviews1
-
SIERRA DE GRAZALEMA NATURAL PARK HIKING GUIDE 2026
by Joseph Gray
- Price$16
- Reviews-
- Published2026-04
Main categories
FAQ
How many books does Joseph Gray have on Amazon?
KDPTop tracks 7 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Joseph Gray publish in?
Their books chart most often in San Juan Islands, Short Story Collections, United States.
How does Joseph Gray price their books?
The median price is $9.99; half of the books cost $6–$15.50.
Has Joseph Gray released new books recently?
3 new books 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.