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Thomas A Graig: Amazon KDP author data

As of Nov 6, 2026, Thomas A Graig has 74 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #10), mostly in Hydrology, Immunology, USMLE (United States Medical Licensure Examination).

74Books on Amazon
10Listed in 30 days
3.1Average rating
Median price$46.99
Price range (middle 50%)$39.99 – $67.82
Median reviews1
Total reviews14
New books (30 days)2
Breakout books (30 days)2

View on Amazon

What stands out

  • Only 14% of the catalog charted in the last 30 days; sales rest on a few titles.
  • Median price $46.99, 370% above the median of their main category, Hydrology.

Thomas A Graig's best-ranked books

  1. FE Electrical and Computer Exam Prep 2026–2027: Master Core Topics with 2100+ Practice Que book cover by Thomas A Graig

    FE Electrical and Computer Exam Prep 2026–2027: Master Core Topics with 2100+ Practice Questions and Realistic Exam Simulations

    by Thomas A Graig

    • Price$45.27
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. USMLE Step 1 2026-2027: High-Yield Review with 21 Full-Length Practice Tests, 2,500+ Quest book cover by Thomas A Graig

    USMLE Step 1 2026-2027: High-Yield Review with 21 Full-Length Practice Tests, 2,500+ Questions, and Proven Strategies for Medical Students

    by Thomas A Graig

    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. PE Civil Geotechnical Exam Prep 2026-2027: Complete Practice Guide with Over 2100 Question book cover by Thomas A Graig

    PE Civil Geotechnical Exam Prep 2026-2027: Complete Practice Guide with Over 2100 Questions, Soil Mechanics, Foundation Design & NCEES-Based Solutions

    by Thomas A Graig

    • Price$59.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. GRE Study Guide: Complete Preparation 2026–2027: 3000 Practice Questions, Weekly Study Pla book cover by Thomas A Graig

    GRE Study Guide: Complete Preparation 2026–2027: 3000 Practice Questions, Weekly Study Plans, and 500 Flashcards for the Updated GRE Format

    by Thomas A Graig

    • Price$27.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  5. ASCP Molecular Biology Study Guide 2027: Comprehensive Molecular Biology Certification Pre book cover by Thomas A Graig

    ASCP Molecular Biology Study Guide 2027: Comprehensive Molecular Biology Certification Prep with 1,500 Practice Questions, 3 Full-Length Mock Exams, 700 Flashcards, and a 6-Week Study Plan

    by Thomas A Graig

    • Price$45.61
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  6. MECHANICAL ENGINEERING MANUAL: VOLUME 3- Fluid Machinery, Tribology, Reliability, and Adva book cover by Thomas A Graig

    MECHANICAL ENGINEERING MANUAL: VOLUME 3- Fluid Machinery, Tribology, Reliability, and Advanced Mechanical Systems

    by Thomas A Graig

    • Price$81.79
    • Reviews-
    • Published2026-07

    View on Amazon · Full data on KDPTop

  7. PE Mechanical HVAC and Refrigeration Exam Prep: Complete Study Guide with 2100+ Practice Q book cover by Thomas A Graig

    PE Mechanical HVAC and Refrigeration Exam Prep: Complete Study Guide with 2100+ Practice Questions, Solutions & Real Exam Strategies

    by Thomas A Graig

    • Price$85.98
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  8. ASCP Molecular Biology Study Guide 2027: Comprehensive Molecular Biology Certification Pre book cover by Thomas A Graig

    ASCP Molecular Biology Study Guide 2027: Comprehensive Molecular Biology Certification Prep with 1,500 Practice Questions, 3 Full-Length Mock Exams, 700 Flashcards, and a 6-Week Study Plan

    by Thomas A Graig

    • Price$44.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  9. PE Civil Water Resources and Environmental Exam Prep 2026–2027: Complete Review with 2,100 book cover by Thomas A Graig

    PE Civil Water Resources and Environmental Exam Prep 2026–2027: Complete Review with 2,100+ Practice Questions, Solutions, and Full-Length Exams

    by Thomas A Graig

    • Price$65.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. CISM Study Guide 2026–2027: Pass the ISACA Certification with Full Domain Coverage, 2,500+ book cover by Thomas A Graig

    CISM Study Guide 2026–2027: Pass the ISACA Certification with Full Domain Coverage, 2,500+ Questions, and Clear Explanations for Exam Success

    by Thomas A Graig

    • Price$51.92
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Thomas A Graig have on Amazon?

KDPTop tracks 74 of their books; 10 made an Amazon list in the last 30 days.

Which categories does Thomas A Graig publish in?

Their books chart most often in Hydrology, Immunology, USMLE (United States Medical Licensure Examination).

How does Thomas A Graig price their books?

The median price is $46.99; half of the books cost $39.99–$67.82.

Has Thomas A Graig released new books recently?

2 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.