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Critical Care (Clinical, Books): Amazon KDP category data
Amazon Books Best Sellers data for Critical Care (Clinical, Books), updated Nov 2, 2026: median price $75.48, median 22 reviews, average rating 4.6 and a KDPTop opportunity score of 35/100 (highly competitive).
| Price range (middle 50%) | $47.28 – $121 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Clinical (312), one of the easier corners under it.
- At $75.48 its median price beats 98% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 71% of Books categories: the median best seller has only 22 reviews, so new books can chart with few.
Top 10 Critical Care best sellers
-
Adult CCRN Exam Premium: Study Guide for the Latest Exam Blueprint, Includes 3 Practice Tests, Comprehensive Review, and Online Study Prep (Barron's Test Prep)
- List rank#1
- Price$39.36
- Rating4.8
- Reviews894
-
The Vasopressor & Inotrope Handbook: A Practical Guide for Healthcare Professionals
by Eddy J. Gutierrez MD
- List rank#2
- Price$29.31
- Rating4.8
- Reviews250
-
Marino's The ICU Book: Print + eBook with Updates
by Paul Marino
- List rank#3
- Price$112
- Rating4.1
- Reviews105
-
Adult CCRN Exam Flashcards, Third Edition: Up-to-Date Review and Practice + Sorting Ring for Custom Study (Barron's Test Prep)
- List rank#4
- Price$37.01
- Rating4.7
- Reviews174
-
Ace the CCRN: You Can Do It! Practice Review Questions
by Nicole Kupchik
- List rank#5
- Price$33.95
- Rating4.7
- Reviews333
-
Critical Care and Hospitalist Medicine Made Ridiculously Simple
by Michael Donahoe M.D.
- List rank#6
- Price$59.95
- Rating4.7
- Reviews748
-
Pocket ICU
by Gyorgy Frendl MD PhD
- List rank#7
- Price$81.98
- Rating4.7
- Reviews49
-
Marino's The Little ICU Book
by Samuel M. Galvagno Jr. DO PhD FCCM
- List rank#8
- Price$74.97
- Rating4.5
- Reviews13
-
Acid-Base, Fluids, and Electrolytes Made Ridiculously Simple: Color Edition
by Richard A. Preston M.D.
- List rank#9
- Price$27.95
- Rating4.7
- Reviews456
-
Pocket Anesthesia
by RICHARD D. URMAN MD MBA
- List rank#10
- Price$73.52
- Rating4.4
- Reviews40
FAQ
Is Critical Care a good niche for Amazon KDP?
Its KDPTop opportunity score is 35/100, which makes it highly competitive. The median best seller has 22 reviews and sells for $75.48.
How many reviews do you need to rank in Critical Care?
The median best seller has 22 reviews, and 76% of them have fewer than 100.
What do Critical Care best sellers cost?
The median price is $75.48; half of the best sellers are priced between $47.28 and $121.
Can new books break into Critical Care?
9% 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.