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Pharmacology — Kindle Category Opportunity

Competition snapshot for the Medical eBooks best-seller list, ease-of-entry score 43.5/100.

OpportunitySubcategory

Category metrics

Score

43.5

Median reviews

134

Weak share (top 20)

25%

Median price

$9.99

Median star rating

4.6

Books scanned

50

Worth writing in?

The Pharmacology list shows real reader demand with room left for newcomers: the median book carries 134 reviews, yet 25% of the top 20 still sit under 100 reviews. 1 top-15 books hold fewer than 100 reviews at $0.99–4.99 — classic self-publishing breakout books. Ease-of-entry score 43.5/100.

Breakout books — top 15, under 100 reviews, $0.99–4.99

Best-seller list on Amazon
#TitleStarReviewsPrice
4Stress-Free GLP-1 High Protein Cookbook: Stop Nausea, Boost Energy, and Feel Better Every Day with Simple, High-Protein Recipes Designed for GLP-1 Users with Low Appetite4.720$0.99

High-frequency phrases in this category's titles

Mine all categories

High-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.

PhraseTitlesRank-weighted score
ptcb exam6144
exam prep5123
pharmacy technician certification4113
ptcb exam prep498
study guide383
new science283
complete guide276
pharmacy technician certification exam273
top 200 drugs271
practice tests261
pharmacy calculations259
dimethyl sulfoxide256

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3 subcategories under this category

SubcategoryScoreMedian reviews
█████68.525
█████52.023
█████46.083.5

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After you publish: why aren't readers buying?

Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.

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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.