KDP categories · Top KDP authors
Ryan Gray: Amazon KDP author data
As of Nov 6, 2026, Ryan Gray has 10 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #2), mostly in Graduate School, MCAT, Education & Training.
| Median price | $10.45 |
|---|---|
| Price range (middle 50%) | $8.75 – $14.61 |
| Median reviews | 497 |
| Total reviews | 4,584 |
| New listings (30 days, incl. new editions) | 0 |
| 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 $10.45, 63% below the median of their main category, Graduate School.
Ryan Gray's best-ranked books
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The Premed Playbook: Guide to the MCAT: Maximize Your Score, Get Into Med School
by Ryan Gray
- Price$4.99
- Rating4.8
- Reviews263
-
The Premed Playbook Guide to the Medical School Interview: Be Prepared, Perform Well, Get Accepted
by Ryan Gray
- Price$10.46
- Rating4.7
- Reviews708
-
The Premed Playbook Guide to the Medical School Interview: Be Prepared, Perform Well, Get Accepted
by Ryan Gray
- Price$11.01
- Rating4.7
- Reviews708
-
The Premed Playbook: Guide to the Medical School Personal Statement
by Ryan Gray
- Price$10.44
- Rating4.8
- Reviews652
-
The Premed Playbook Guide to the Medical School Application Process: Everything You Need to Successfully Apply
by Ryan Gray
- Price$3.99
- Rating4.8
- Reviews342
-
The Premed Playbook Guide to the Medical School Application Process: Everything You Need to Successfully Apply
by Ryan Gray
- Price$17.98
- Rating4.8
- Reviews342
-
The Premed Playbook Guide to the Medical School Personal Statement: Everything You Need to Successfully Apply
by Ryan Gray
- Price$10.99
- Rating4.8
- Reviews652
-
The Premed Playbook Guide to the MCAT: Maximize Your Score, Get Into Med School
by Ryan Gray
- Price$8.34
- Rating4.8
- Reviews263
-
How to Raise Donkeys: A Comprehensive Guide to Choosing, Breeding, Caring, Training, Feeding, Raising, and Housing Donkeys
by Ryan Gray
- Price$17.99
- Rating5.0
- Reviews2
-
The Premed Playbook Guide to the Medical School Personal Statement: Everything You Need to Successfully Apply (The Premed Playbook)
by Ryan Gray
- Price$15.82
- Rating4.8
- Reviews652
Main categories
FAQ
How many books does Ryan Gray have on Amazon?
KDPTop tracks 10 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Ryan Gray publish in?
Their books chart most often in Graduate School, MCAT, Education & Training.
How does Ryan Gray price their books?
The median price is $10.45; half of the books cost $8.75–$14.61.
Has Ryan Gray 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.