KDP categories · Top KDP authors
Jennifer Ryan: Amazon KDP author data
As of Nov 6, 2026, Jennifer Ryan has 12 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #31), mostly in Dementia, Aging & Longevity, Vampires.
| Median price | - |
|---|---|
| Price range (middle 50%) | - |
| Median reviews | 94 |
| Total reviews | 818 |
| New listings (30 days, incl. new editions) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- Amazon lists 2 author pages (separate Author IDs) under this name; this page combines them.
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Jennifer Ryan's best-ranked books
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Keto Diet for Beginners: A Simple Guide to Starting the Ketogenic Lifestyle, with Easy Plans and Tips for Success
by Jennifer Ryan
- Price$3.99
- Rating4.4
- Reviews87
-
Keto Diet for Beginners: A Simple Guide to Starting the Ketogenic Lifestyle, with Easy Plans and Tips for Success
by Jennifer Ryan
- Price$9.99
- Rating4.4
- Reviews87
-
The Brain Health Lifestyle: How Anyone Can Improve Memory, Sharpen Mental Clarity, and Help Prevent Dementia Naturally—In Just 10 Minutes a Day
by Jennifer Ryan
- Price$4.99
- Rating4.9
- Reviews27
-
I Got Lucky (Gunns Blazing Book 1)
by Jennifer Ryan
- Price$0
- Rating4.4
- Reviews265
-
It Happened One Valentine's Day: An Avon Romance Valentine's Day Sampler – Discover Your Next Favorite Book with this Romance Excerpt Collection for the Holiday
by Jennifer Ryan
- Price$0
- Rating3.5
- Reviews106
- Published2013-02
-
LOVE ME (SHE'S MINE Book 2)
by Jennifer Ryan
- Price$0
- Rating4.4
- Reviews81
-
Intermittent Fasting for Busy Women: A Beginner’s Guide to Sustainable Weight Loss, Hormone Balance, and All-Day Energy
by Jennifer Ryan
- Price$3.99
- Rating4.6
- Reviews71
-
When To Call Your Doctor For Pain: A Clinically Informed Christian Guide to Body Stewardship and Knowing When to Seek Care
by Jennifer Ryan
- Price$4.99
- Rating4.7
- Reviews42
-
The Brain Health Lifestyle: How Anyone Can Improve Memory, Sharpen Mental Clarity, and Help Prevent Dementia Naturally—In Just 10 Minutes a Day
by Jennifer Ryan
- Price$12.99
- Rating4.9
- Reviews27
- Published2026-09
-
Springtime is for Lovers: An Avon Impulseook Sampler: Discover Romance with USA Today Bestselling Jennifer Ryan
by Jennifer Ryan
- Price$0
- Rating3.4
- Reviews14
- Published2014-04
Main categories
FAQ
How many books does Jennifer Ryan have on Amazon?
KDPTop tracks 12 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Jennifer Ryan publish in?
Their books chart most often in Dementia, Aging & Longevity, Vampires.
Has Jennifer Ryan released new books recently?
2 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.