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Meredith Callahan: Amazon KDP author data

As of Nov 6, 2026, Meredith Callahan has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #25), mostly in Test Preparation & Review, Pharmacology, Psychiatry & Mental Health.

5Books on Amazon
5Listed in 30 days
-Average rating
Median price$0.99
Price range (middle 50%)$0.99 – $19.99
Median reviews-
Total reviews0
New books (30 days)5
Breakout books (30 days)2

View on Amazon

What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $0.99, 90% below the median of their main category, Test Preparation & Review.
  • 5 new books in the last 30 days, 2 of them broke into a Best Sellers list.

Meredith Callahan's best-ranked books

  1. CCRN Certification Blueprint 2026-2027: The No-Fluff Clinical Judgment Guide for ICU Nurse book cover by Meredith Callahan

    CCRN Certification Blueprint 2026-2027: The No-Fluff Clinical Judgment Guide for ICU Nurses Working Twelve-Hour Shifts | 600 Practice Questions, 4 Full-Length Exams, Full Rationales

    by Meredith Callahan

    • Price$0.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  2. PMHNP Certification Exam Prep Across the Lifespan 2026-2027: Complete Review with 750 Prac book cover by Meredith Callahan

    PMHNP Certification Exam Prep Across the Lifespan 2026-2027: Complete Review with 750 Practice Questions, Full Rationales, and Full Coverage of the Ethics, Legal, and Leadership Domains

    by Meredith Callahan

    • Price$0.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Med Surg Certification Exam Prep 2026 - 2027: The Priority and Delegation Method — A 30-Da book cover by Meredith Callahan

    Med Surg Certification Exam Prep 2026 - 2027: The Priority and Delegation Method — A 30-Day Study System for Busy Nurses, Complete Review, 1,000+ Practice Questions with Full Rationales

    by Meredith Callahan

    • Price$0.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. CCRN Certification Blueprint 2026-2027: The No-Fluff Clinical Judgment Guide for ICU Nurse book cover by Meredith Callahan

    CCRN Certification Blueprint 2026-2027: The No-Fluff Clinical Judgment Guide for ICU Nurses Working Twelve-Hour Shifts | 600 Practice Questions, 4 Full-Length Exams, Full Rationales

    by Meredith Callahan

    • Price$22.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. PMHNP Certification Exam Prep Across the Lifespan 2026-2027: Complete Review with 750 Prac book cover by Meredith Callahan

    PMHNP Certification Exam Prep Across the Lifespan 2026-2027: Complete Review with 750 Practice Questions, Full Rationales, and Full Coverage of the Ethics, Legal, and Leadership Domains

    by Meredith Callahan

    • Price$19.99
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Meredith Callahan have on Amazon?

KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.

Which categories does Meredith Callahan publish in?

Their books chart most often in Test Preparation & Review, Pharmacology, Psychiatry & Mental Health.

How does Meredith Callahan price their books?

The median price is $0.99; half of the books cost $0.99–$19.99.

Has Meredith Callahan released new books recently?

5 new books in the last 30 days, 2 of which reached a Best Sellers list.

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.