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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.

12Books on Amazon
6Listed in 30 days
4.4Average rating
Median price-
Price range (middle 50%)-
Median reviews94
Total reviews818
New listings (30 days, incl. new editions)2
Breakout books (30 days)1

View on Amazon

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

  1. Keto Diet for Beginners: A Simple Guide to Starting the Ketogenic Lifestyle, with Easy Pla book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  2. Keto Diet for Beginners: A Simple Guide to Starting the Ketogenic Lifestyle, with Easy Pla book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  3. The Brain Health Lifestyle: How Anyone Can Improve Memory, Sharpen Mental Clarity, and Hel book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  4. I Got Lucky (Gunns Blazing Book 1) book cover by Jennifer Ryan

    I Got Lucky (Gunns Blazing Book 1)

    by Jennifer Ryan

    • Price$0
    • Rating4.4
    • Reviews265

    View on Amazon · Full data on KDPTop

  5. It Happened One Valentine's Day: An Avon Romance Valentine's Day Sampler – Discover Your N book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  6. LOVE ME (SHE'S MINE Book 2) book cover by Jennifer Ryan

    LOVE ME (SHE'S MINE Book 2)

    by Jennifer Ryan

    • Price$0
    • Rating4.4
    • Reviews81

    View on Amazon · Full data on KDPTop

  7. Intermittent Fasting for Busy Women: A Beginner’s Guide to Sustainable Weight Loss, Hormon book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  8. When To Call Your Doctor For Pain: A Clinically Informed Christian Guide to Body Stewardsh book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  9. The Brain Health Lifestyle: How Anyone Can Improve Memory, Sharpen Mental Clarity, and Hel book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

  10. Springtime is for Lovers: An Avon Impulseook Sampler: Discover Romance with USA Today Best book cover by Jennifer Ryan

    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

    View on Amazon · Full data on KDPTop

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.