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Marcus C. Martinson: Amazon KDP author data

Marcus C. Martinson has 18 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #1), mostly in Counseling, Vocational Guidance, Guides.

18Books on Amazon
12Listed in 30 days
3.3Average rating
Median price$15.99
Price range (middle 50%)$10.99 – $20.99
Median reviews1
Total reviews3
New books (30 days)12
Breakout books (30 days)7

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What stands out

  • 67% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • 12 new books in the last 30 days, 7 of them broke into a Best Sellers list.

Marcus C. Martinson's best-ranked books

  1. Dental Assistant Certification Study Guide 2026-2027: From Infection Control to Radiograph book cover by Marcus C. Martinson

    Dental Assistant Certification Study Guide 2026-2027: From Infection Control to Radiographic Techniques — 3,000+ Practice Questions, Full Answer Explanations, Plus an Online Simulator to Ace the Exam

    by Marcus C. Martinson

    • Price$20.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  2. Customs Broker Exam Prep 2026-2027: 3,000+ Practice Questions on HTS Classification, USMCA book cover by Marcus C. Martinson

    Customs Broker Exam Prep 2026-2027: 3,000+ Practice Questions on HTS Classification, USMCA, and Drawback with Full Answer Explanations Plus an Online Practice Simulator to Ace the CBLE

    by Marcus C. Martinson

    • Price$20.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Dental Assistant Certification Study Guide 2026-2027: From Infection Control to Radiograph book cover by Marcus C. Martinson

    Dental Assistant Certification Study Guide 2026-2027: From Infection Control to Radiographic Techniques — 3,000+ Practice Questions, Full Answer Explanations, Plus an Online Simulator to Ace the Exam

    by Marcus C. Martinson

    • Price$10.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. Customs Broker Exam Prep 2026-2027: 3,000+ Practice Questions on HTS Classification, USMCA book cover by Marcus C. Martinson

    Customs Broker Exam Prep 2026-2027: 3,000+ Practice Questions on HTS Classification, USMCA, and Drawback with Full Answer Explanations Plus an Online Practice Simulator to Ace the CBLE

    by Marcus C. Martinson

    • Price$10.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. CPA FAR Exam Prep 2026-2027: Financial Accounting and Reporting with 3,000+ Practice Quest book cover by Marcus C. Martinson

    CPA FAR Exam Prep 2026-2027: Financial Accounting and Reporting with 3,000+ Practice Questions, Revenue Recognition, Leases, and Full Answer Explanations for Licensure Candidates

    by Marcus C. Martinson

    • Price$20.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  6. AMT RMA Study Guide 2026-2027: ,000+ Practice Questions, Full Answer Explanations, Plus Ex book cover by Marcus C. Martinson

    AMT RMA Study Guide 2026-2027: ,000+ Practice Questions, Full Answer Explanations, Plus Exam Simulator for Registered Medical Assistant Prep on Vital Signs and Infection Control to Ace the Exam

    by Marcus C. Martinson

    • Price$20.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. National Pilates Certification Exam Study Guide 2026-2027: Featuring 3,000+ Practice Quest book cover by Marcus C. Martinson

    National Pilates Certification Exam Study Guide 2026-2027: Featuring 3,000+ Practice Questions, Reformer Repertoire, Critical Observation, and Full Answer Explanations for NCPT Candidates

    by Marcus C. Martinson

    • Price$25.99
    • Rating4.0
    • Reviews1
    • Published2026-08

    View on Amazon · Full data on KDPTop

  8. National Pilates Certification Exam Study Guide 2026-2027: Featuring 3,000+ Practice Quest book cover by Marcus C. Martinson

    National Pilates Certification Exam Study Guide 2026-2027: Featuring 3,000+ Practice Questions, Reformer Repertoire, Critical Observation, and Full Answer Explanations for NCPT Candidates

    by Marcus C. Martinson

    • Price$15.99
    • Rating4.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  9. EIAT Study Guide 2026-2027: Elevator Industry Aptitude Test with 3,000+ Practice Questions book cover by Marcus C. Martinson

    EIAT Study Guide 2026-2027: Elevator Industry Aptitude Test with 3,000+ Practice Questions, Tool Recognition, Numerical Reasoning, and Full Answer Explanations for First-Time IUEC Applicants

    by Marcus C. Martinson

    • Price$29.99
    • Rating2.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  10. AMT RMA Study Guide 2026-2027: ,000+ Practice Questions, Full Answer Explanations, Plus Ex book cover by Marcus C. Martinson

    AMT RMA Study Guide 2026-2027: ,000+ Practice Questions, Full Answer Explanations, Plus Exam Simulator for Registered Medical Assistant Prep on Vital Signs and Infection Control to Ace the Exam

    by Marcus C. Martinson

    • Price$10.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

Main categories

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.