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Breast Cancer (Cancer, Books): Amazon KDP category data

Amazon Books Best Sellers data for Breast Cancer (Cancer, Books), updated Nov 2, 2026: median price $15, median 148 reviews, average rating 4.7 and a KDPTop opportunity score of 34/100 (highly competitive).

34Opportunity / 100
$15Median price
148Median reviews
Price range (middle 50%)$11.48 – $19.99
Average rating4.7
New releases (90 days)18%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 33% of the parent category Cancer (450), one of the easier corners under it.
  • 18% of its best sellers came out in the last 90 days, more than in 87% of Books categories: readers here keep buying new titles.

Top 10 Breast Cancer best sellers

  1. Estrogen Matters: Why Taking Hormones in Menopause Can Improve and Lengthen Women's Lives  book cover by Avrum Bluming

    Estrogen Matters: Why Taking Hormones in Menopause Can Improve and Lengthen Women's Lives -- Without Raising the Risk of Breast Cancer (2024 Revised and Updated Edition)

    by Avrum Bluming

    • List rank#1
    • Price$17.91
    • Rating4.7
    • Reviews1,186

    View on Amazon · Full data on KDPTop

  2. The Emperor of All Maladies: A Biography of Cancer book cover by Siddhartha Mukherjee

    The Emperor of All Maladies: A Biography of Cancer

    by Siddhartha Mukherjee

    • List rank#2
    • Price$13.85
    • Rating4.7
    • Reviews9,938

    View on Amazon · Full data on KDPTop

  3. Beyond the Pink: Navigating Life, Health, and Breast Cancer book cover by Dr. Eleonora Teplinsky M.D.

    Beyond the Pink: Navigating Life, Health, and Breast Cancer

    by Dr. Eleonora Teplinsky M.D.

    • List rank#3
    • Price$30.29
    • Rating4.9
    • Reviews16

    View on Amazon · Full data on KDPTop

  4. Cancer Is a Parasite: Kill it with the Safe, Over-the-Counter Antiparasitic Fenbendazole book cover by William F. Supple Jr.

    Cancer Is a Parasite: Kill it with the Safe, Over-the-Counter Antiparasitic Fenbendazole

    by William F. Supple Jr.

    • List rank#4
    • Price$22.74
    • Rating4.8
    • Reviews192

    View on Amazon · Full data on KDPTop

  5. Chris Beat Cancer: A Comprehensive Plan for Healing Naturally book cover by Chris Wark

    Chris Beat Cancer: A Comprehensive Plan for Healing Naturally

    by Chris Wark

    • List rank#5
    • Price$10.97
    • Rating4.8
    • Reviews4,621

    View on Amazon · Full data on KDPTop

  6. Beat Cancer Kitchen: Deliciously Simple Plant-Based Anticancer Recipes book cover by Chris Wark

    Beat Cancer Kitchen: Deliciously Simple Plant-Based Anticancer Recipes

    by Chris Wark

    • List rank#6
    • Price$12.98
    • Rating4.8
    • Reviews2,481

    View on Amazon · Full data on KDPTop

  7. Don't Stop Believin' book cover by Olivia Newton-John

    Don't Stop Believin'

    by Olivia Newton-John

    • List rank#7
    • Price$1.99
    • Rating4.7
    • Reviews1,585

    View on Amazon · Full data on KDPTop

  8. The Cancer-Fighting Kitchen, Second Edition: Nourishing, Big-Flavor Recipes for Cancer Tre book cover by Rebecca Katz

    The Cancer-Fighting Kitchen, Second Edition: Nourishing, Big-Flavor Recipes for Cancer Treatment and Recovery [A Cookbook]

    by Rebecca Katz

    • List rank#8
    • Price$16.05
    • Rating4.7
    • Reviews1,637

    View on Amazon · Full data on KDPTop

  9. Lucky Me!: How I Healed Breast Cancer And Luck Had Nothing To Do With It book cover by Margery Tomain

    Lucky Me!: How I Healed Breast Cancer And Luck Had Nothing To Do With It

    by Margery Tomain

    • List rank#9
    • Price$11.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  10. The Breast Advice: All You Need to Know About Breast Health, Screening, and Treatment ― A  book cover by Dr. Elisa Port

    The Breast Advice: All You Need to Know About Breast Health, Screening, and Treatment ― A Trusted Guide from a Leading Breast Surgeon

    by Dr. Elisa Port

    • List rank#10
    • Price$12.33
    • Rating4.4
    • Reviews32

    View on Amazon · Full data on KDPTop

Same niche in Kindle eBooks: Breast Cancer

FAQ

Is Breast Cancer a good niche for Amazon KDP?

Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 148 reviews and sells for $15.

How many reviews do you need to rank in Breast Cancer?

The median best seller has 148 reviews, and 41% of them have fewer than 100.

What do Breast Cancer best sellers cost?

The median price is $15; half of the best sellers are priced between $11.48 and $19.99.

Can new books break into Breast Cancer?

18% of the current best sellers were released in the last 90 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.