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Gastroenterology (Clinical, Books): Amazon KDP category data

Amazon Books Best Sellers data for Gastroenterology (Clinical, Books), updated Nov 2, 2026: median price $81.66, median 9 reviews, average rating 4.6 and a KDPTop opportunity score of 34/100 (highly competitive).

34Opportunity / 100
$81.66Median price
9Median reviews
Price range (middle 50%)$42.73 – $175
Average rating4.6
New releases (90 days)10%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 3% of the parent category Clinical (312), one of the easier corners under it.
  • At $81.66 its median price beats 99% of Books categories, leaving more margin per copy.
  • Its review barrier is lower than in 84% of Books categories: the median best seller has only 9 reviews, so new books can chart with few.

Top 10 Gastroenterology best sellers

  1. Gastroenterology Made Ridiculously Simple book cover by Stephen Goldberg M.D.

    Gastroenterology Made Ridiculously Simple

    by Stephen Goldberg M.D.

    • List rank#1
    • Price$32.95
    • Rating4.8
    • Reviews36

    View on Amazon · Full data on KDPTop

  2. Gastroenterology Clinical Focus: High yield GI and hepatology review- for Boards and Pract book cover by Dr Emad S Qayed

    Gastroenterology Clinical Focus: High yield GI and hepatology review- for Boards and Practice - 3rd edition

    by Dr Emad S Qayed

    • List rank#2
    • Price$60.37
    • Rating4.9
    • Reviews147

    View on Amazon · Full data on KDPTop

  3. Digestive System Tumours: WHO Classification of Tumours book cover by WHO Classification of Tumours Editorial Board

    Digestive System Tumours: WHO Classification of Tumours

    by WHO Classification of Tumours Editorial Board

    • List rank#3
    • Price$195
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. The Little GI Book: An Easily Digestible Guide to Understanding Gastroenterology book cover by Douglas G. Adler

    The Little GI Book: An Easily Digestible Guide to Understanding Gastroenterology

    by Douglas G. Adler

    • List rank#4
    • Price$34.44
    • Rating4.6
    • Reviews182

    View on Amazon · Full data on KDPTop

  5. Cope's Early Diagnosis of the Acute Abdomen: Twenty-Second Edition book cover by Silen

    Cope's Early Diagnosis of the Acute Abdomen: Twenty-Second Edition

    by Silen

    • List rank#5
    • Price$44.98
    • Rating4.8
    • Reviews163

    View on Amazon · Full data on KDPTop

  6. Sleisenger and Fordtran's Gastrointestinal and Liver Disease - 2 Volume Set: Pathophysiolo book cover by Raymond T. Chung MD  FAASLD  AASLD

    Sleisenger and Fordtran's Gastrointestinal and Liver Disease - 2 Volume Set: Pathophysiology, Diagnosis, Management

    by Raymond T. Chung MD FAASLD AASLD

    • List rank#6
    • Price$274
    • Rating4.2
    • Reviews12

    View on Amazon · Full data on KDPTop

  7. Greenberger's CURRENT Diagnosis & Treatment Gastroenterology, Hepatology, & Endoscopy, Fou book cover by Sonia Friedman

    Greenberger's CURRENT Diagnosis & Treatment Gastroenterology, Hepatology, & Endoscopy, Fourth Edition (Current Medical Diagnosis & Treatment in Gastroenterology)

    by Sonia Friedman

    • List rank#7
    • Price$71.58
    • Rating4.7
    • Reviews40

    View on Amazon · Full data on KDPTop

  8. Acing the GI Board Exam: The Ultimate Crunch-Time Resource book cover by Brennan Spiegel

    Acing the GI Board Exam: The Ultimate Crunch-Time Resource

    by Brennan Spiegel

    • List rank#8
    • Price$90.60
    • Rating4.7
    • Reviews36

    View on Amazon · Full data on KDPTop

  9. Reclaim Your Life from IBS book cover by Melissa G. Hunt

    Reclaim Your Life from IBS

    by Melissa G. Hunt

    • List rank#9
    • Price$22.06
    • Rating4.3
    • Reviews32

    View on Amazon · Full data on KDPTop

  10. Gastrointestinal Physiology: Mosby Physiology Series (Mosby's Physiology Monograph) book cover by Leonard R. Johnson PhD

    Gastrointestinal Physiology: Mosby Physiology Series (Mosby's Physiology Monograph)

    by Leonard R. Johnson PhD

    • List rank#10
    • Price$45.17
    • Rating4.8
    • Reviews27

    View on Amazon · Full data on KDPTop

FAQ

Is Gastroenterology a good niche for Amazon KDP?

Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 9 reviews and sells for $81.66.

How many reviews do you need to rank in Gastroenterology?

The median best seller has 9 reviews, and 94% of them have fewer than 100.

What do Gastroenterology best sellers cost?

The median price is $81.66; half of the best sellers are priced between $42.73 and $175.

Can new books break into Gastroenterology?

10% 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.