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Richard Horowitz: Amazon KDP author data

Richard Horowitz has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #1), mostly in Viral, Infectious Disease, Communicable Diseases.

9Books on Amazon
9Listed in 30 days
4.6Average rating
Median price$20.49
Price range (middle 50%)$16.99 – $29.12
Median reviews440
Total reviews3,320
New books (30 days)3
Breakout books (30 days)2

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What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.

Richard Horowitz's best-ranked books

  1. Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persi book cover by Richard Horowitz

    Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persistent Disease

    by Richard Horowitz

    • Price$29.12
    • Rating4.4
    • Reviews11
    • Published2026-10

    View on Amazon · Full data on KDPTop

  2. Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persi book cover by Richard Horowitz

    Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persistent Disease

    by Richard Horowitz

    • Price$16.99
    • Rating4.4
    • Reviews11
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. How Can I Get Better?: An Action Plan for Treating Resistant Lyme & Chronic Disease book cover by Richard Horowitz

    How Can I Get Better?: An Action Plan for Treating Resistant Lyme & Chronic Disease

    by Richard Horowitz

    • Price$22.25
    • Rating4.5
    • Reviews440

    View on Amazon · Full data on KDPTop

  4. Why Can't I Get Better?: Solving the Mystery of Lyme & Chronic Disease book cover by Richard Horowitz

    Why Can't I Get Better?: Solving the Mystery of Lyme & Chronic Disease

    by Richard Horowitz

    • Price$11.99
    • Rating4.6
    • Reviews657

    View on Amazon · Full data on KDPTop

  5. Why Can't I Get Better? Solving the Mystery of Lyme and Chronic Disease book cover by Richard Horowitz

    Why Can't I Get Better? Solving the Mystery of Lyme and Chronic Disease

    by Richard Horowitz

    • Price$19.76
    • Rating4.6
    • Reviews657

    View on Amazon · Full data on KDPTop

  6. How Can I Get Better?: An Action Plan for Treating Resistant Lyme & Chronic Disease book cover by Richard Horowitz

    How Can I Get Better?: An Action Plan for Treating Resistant Lyme & Chronic Disease

    by Richard Horowitz

    • Price$20.49
    • Rating4.5
    • Reviews440

    View on Amazon · Full data on KDPTop

  7. Why Can't I Get Better? Solving the Mystery of Lyme and Chronic Disease: Solving the Myste book cover by Richard Horowitz

    Why Can't I Get Better? Solving the Mystery of Lyme and Chronic Disease: Solving the Mystery of Lyme and Chronic Disease

    by Richard Horowitz

    • Price$37.01
    • Rating4.6
    • Reviews657

    View on Amazon · Full data on KDPTop

  8. How Can I Get Better?: An Action Plan for Treating Resistant Lyme & Chronic Disease book cover by Richard Horowitz

    How Can I Get Better?: An Action Plan for Treating Resistant Lyme & Chronic Disease

    by Richard Horowitz

    • Price$12.99
    • Rating4.5
    • Reviews440

    View on Amazon · Full data on KDPTop

  9. Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persi book cover by Richard Horowitz

    Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persistent Disease

    by Richard Horowitz

    • Price$54.77
    • Rating4.4
    • Reviews11

    View on Amazon · Full data on KDPTop

Main categories

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.