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Martha Sweezy: Amazon KDP author data

As of Nov 6, 2026, Martha Sweezy has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #10), mostly in Psychiatry, Social Work, Psychotherapy.

6Books on Amazon
6Listed in 30 days
4.6Average rating
Median price$23.21
Price range (middle 50%)$15.85 – $41.61
Median reviews79
Total reviews1,207
New books (30 days)2
Breakout books (30 days)2

View on Amazon

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 $23.21, 35% below the median of their main category, Psychiatry.

Martha Sweezy's best-ranked books

  1. Internal Family Systems Therapy book cover by Martha Sweezy

    Internal Family Systems Therapy

    by Martha Sweezy

    • Price$52.49
    • Rating4.8
    • Reviews909
    • Published2019-09

    View on Amazon · Full data on KDPTop

  2. IFS (Internal Family Systems) Health Therapy: Treating Trauma-Related Physical Illness & T book cover by Martha Sweezy

    IFS (Internal Family Systems) Health Therapy: Treating Trauma-Related Physical Illness & Toxic Stress

    by Martha Sweezy

    • Price$17.99
    • Rating4.8
    • Reviews14
    • Published2026-09

    View on Amazon · Full data on KDPTop

  3. Wired to Feel: Autism as a Condition of Sensory Surplus book cover by Martha Sweezy

    Wired to Feel: Autism as a Condition of Sensory Surplus

    by Martha Sweezy

    • Price$12.69
    • Rating4.5
    • Reviews35

    View on Amazon · Full data on KDPTop

  4. Internal Family Systems Therapy book cover by Martha Sweezy

    Internal Family Systems Therapy

    by Martha Sweezy

    • Price$28.44
    • Rating4.7
    • Reviews91

    View on Amazon · Full data on KDPTop

  5. Internal Family Systems Therapy for Shame and Guilt book cover by Martha Sweezy

    Internal Family Systems Therapy for Shame and Guilt

    by Martha Sweezy

    • Price$46
    • Rating4.4
    • Reviews79

    View on Amazon · Full data on KDPTop

  6. Internal Family Systems Therapy for Shame and Guilt book cover by Martha Sweezy

    Internal Family Systems Therapy for Shame and Guilt

    by Martha Sweezy

    • Price$15.14
    • Rating4.4
    • Reviews79

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Martha Sweezy have on Amazon?

KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.

Which categories does Martha Sweezy publish in?

Their books chart most often in Psychiatry, Social Work, Psychotherapy.

How does Martha Sweezy price their books?

The median price is $23.21; half of the books cost $15.85–$41.61.

Has Martha Sweezy released new books recently?

2 new books in the last 30 days, 2 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.