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Research & Theory (New, Used & Rental Textbooks › Nursing, Books): Amazon KDP category data

Amazon Books Best Sellers data for Research & Theory (New, Used & Rental Textbooks › Nursing, Books), updated Nov 2, 2026: median price $60.91, median 38 reviews, average rating 4.6 and a KDPTop opportunity score of 31/100 (highly competitive).

31Opportunity / 100
$60.91Median price
38Median reviews
Price range (middle 50%)$36.20 – $82.17
Average rating4.6
New releases (90 days)8%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 25% of the parent category Nursing (152), one of the easier corners under it.
  • At $60.91 its median price beats 97% of Books categories, leaving more margin per copy.
  • Prices spread wide: the middle half runs from $36.20 to $82.17, so budget editions and premium or boxed sets sell side by side.

Top 10 Research & Theory best sellers

  1. Next Generation NCLEX-RN® Prep: Complete and stress-free guide with examination and mindse book cover by Preparix

    Next Generation NCLEX-RN® Prep: Complete and stress-free guide with examination and mindset strategies to study smarter, NGN clinical judgment, digital exam simulations, and real case studies

    by Preparix

    • List rank#1
    • Price$32.91
    • Rating4.8
    • Reviews492

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  2. Top 400+ Drugs Decoded: The Ultimate Pharmacology Coloring Book & Study Guide to Visualize book cover by Rowan Peay

    Top 400+ Drugs Decoded: The Ultimate Pharmacology Coloring Book & Study Guide to Visualize Complex Drugs, Strengthen Long-Term Memory, and Reinforce Learning with Unlimited Practice Tests

    by Rowan Peay

    • List rank#2
    • Price$28.97
    • Rating4.6
    • Reviews137

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  3. Evidence-Based Practice in Nursing & Healthcare: A Guide to Best Practice book cover by Bernadette Mazurek Melnyk PhD  RN  CPNP/PMHNP  FNAP

    Evidence-Based Practice in Nursing & Healthcare: A Guide to Best Practice

    by Bernadette Mazurek Melnyk PhD RN CPNP/PMHNP FNAP

    • List rank#3
    • Price$91.19
    • Rating4.4
    • Reviews192

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  4. Med Surg Certification Exam Prep: The Complete and Fully Updated Study Guide to Master the book cover by Skillful Prep Press

    Med Surg Certification Exam Prep: The Complete and Fully Updated Study Guide to Master the ANCC MEDSURG-BC™ Exam – With Full-Length Practice Tests, Step-by-Step Explanations, and Expert Strategies

    by Skillful Prep Press

    • List rank#4
    • Price$29.90
    • Rating5.0
    • Reviews246

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  5. Teaching in Nursing: A Guide for Faculty (Evolve) book cover by Diane M. Billings EdD  RN  ANEF  FAAN

    Teaching in Nursing: A Guide for Faculty (Evolve)

    by Diane M. Billings EdD RN ANEF FAAN

    • List rank#5
    • Price$99.97
    • Rating4.7
    • Reviews72

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  6. Polit & Beck's Essentials of Nursing Research book cover by Dr. JANE M. FLANAGAN Ph.D.

    Polit & Beck's Essentials of Nursing Research

    by Dr. JANE M. FLANAGAN Ph.D.

    • List rank#6
    • Price$102
    • Rating5.0
    • Reviews3

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  7. Statistics for Nursing Research: A Workbook for Evidence-Based Practice book cover by Susan K. Grove PhD  RN  ANP-BC  GNP-BC

    Statistics for Nursing Research: A Workbook for Evidence-Based Practice

    by Susan K. Grove PhD RN ANP-BC GNP-BC

    • List rank#7
    • Price$51.64
    • Rating4.4
    • Reviews17

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  8. Johns Hopkins Evidence-Based Practice for Nurses and Healthcare Professionals: Model & Gui book cover by Kim Bissett

    Johns Hopkins Evidence-Based Practice for Nurses and Healthcare Professionals: Model & Guidelines

    by Kim Bissett

    • List rank#8
    • Price$56.64
    • Rating4.7
    • Reviews14

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  9. ATI TEAS 7 Study Guide: The Most Comprehensive Test Prep Book with 12 Practice Tests, 2,85 book cover by Elite Nurses Academy

    ATI TEAS 7 Study Guide: The Most Comprehensive Test Prep Book with 12 Practice Tests, 2,850+ Questions, and a Revolutionary 7-Day Crash Course for the Nursing Exam

    by Elite Nurses Academy

    • List rank#9
    • Price$29.91
    • Rating4.6
    • Reviews173

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  10. Polit & Beck's Nursing Research: Generating and Assessing Evidence for Nursing Practice book cover by Dr. JANE M. FLANAGAN Ph.D.

    Polit & Beck's Nursing Research: Generating and Assessing Evidence for Nursing Practice

    by Dr. JANE M. FLANAGAN Ph.D.

    • List rank#10
    • Price$119
    • Rating4.5
    • Reviews30

    View on Amazon · Full data on KDPTop

FAQ

Is Research & Theory a good niche for Amazon KDP?

Its KDPTop opportunity score is 31/100, which makes it highly competitive. The median best seller has 38 reviews and sells for $60.91.

How many reviews do you need to rank in Research & Theory?

The median best seller has 38 reviews, and 69% of them have fewer than 100.

What do Research & Theory best sellers cost?

The median price is $60.91; half of the best sellers are priced between $36.20 and $82.17.

Can new books break into Research & Theory?

8% 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.