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Ernie Thornhill: Amazon KDP author data

As of Nov 6, 2026, Ernie Thornhill has 7 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #5), mostly in Careers, Workbooks, Accounting.

7Books on Amazon
4Listed in 30 days
5.0Average rating
Median price$25.99
Price range (middle 50%)$23.99 – $28.74
Median reviews1
Total reviews2
New listings (30 days, incl. new editions)3
Breakout books (30 days)1

View on Amazon

What stands out

  • 57% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $25.99, 160% above the median of their main category, Careers.
  • 3 new listings in the last 30 days (new editions included), 1 of them broke into a Best Sellers list.

Ernie Thornhill's best-ranked books

  1. CPA FAR Exam Prep 2026–2027: Blueprint-Aligned Financial Accounting Review with 1,500+ MCQ book cover by Ernie Thornhill

    CPA FAR Exam Prep 2026–2027: Blueprint-Aligned Financial Accounting Review with 1,500+ MCQ and TBS Practice Items, 8 Full-Length Tests, Error-Repair Tracking, ... Mastery Plan (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price$30.99
    • Reviews-
    • Published2026-09

    View on Amazon · Full data on KDPTop

  2. New York City MTA Conductor Exam Prep 2026–2027: 800 Practice Questions with Detailed Expl book cover by Ernie Thornhill

    New York City MTA Conductor Exam Prep 2026–2027: 800 Practice Questions with Detailed Explanations, 9 Full-Length Practice Tests, Safety Judgment, Schedule ... & Study Tips (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price$27.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  3. New York City MTA Conductor Exam Prep 2026–2027: 800 Practice Questions with Detailed Expl book cover by Ernie Thornhill

    New York City MTA Conductor Exam Prep 2026–2027: 800 Practice Questions with Detailed Explanations, 9 Full-Length Practice Tests, Safety Judgment, ... and Study Tips (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price-
    • Rating5.0
    • Reviews1
    • Published2026-07

    View on Amazon · Full data on KDPTop

  4. IBEW Aptitude Test Prep 2026–2027: Dual-Format Electrical Apprenticeship Study Guide with  book cover by Ernie Thornhill

    IBEW Aptitude Test Prep 2026–2027: Dual-Format Electrical Apprenticeship Study Guide with 9 Full-Length Tests, Detailed Explanations, Algebra, ... Mechanical Reasoning (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price$23.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. New York State Court Officer Exam Prep 2026-2027: 900+ Practice Questions, 10 Full-Length  book cover by Ernie Thornhill

    New York State Court Officer Exam Prep 2026-2027: 900+ Practice Questions, 10 Full-Length Tests, Timed Memory Drills, Reading A & B, Clerical ... Answer Explanations (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price-
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  6. Station Agent Exam Prep 2026–2027: Master 11 Tested Abilities with 1,300+ Practice Questio book cover by Ernie Thornhill

    Station Agent Exam Prep 2026–2027: Master 11 Tested Abilities with 1,300+ Practice Questions, 5 Full-Length Tests, Detailed Explanations, Transit ... 14-Day Study Plan (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price$0
    • Reviews-
    • Published2026-07

    View on Amazon · Full data on KDPTop

  7. IBEW Aptitude Test Prep 2026–2027: Dual-Format Electrical Apprenticeship Study Guide with  book cover by Ernie Thornhill

    IBEW Aptitude Test Prep 2026–2027: Dual-Format Electrical Apprenticeship Study Guide with 9 Full-Length Tests, Detailed Explanations, Algebra, Reading, ... Reasoning (Thornhill Exam Mastery)

    by Ernie Thornhill

    • Price$23.99
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Ernie Thornhill have on Amazon?

KDPTop tracks 7 of their books; 4 made an Amazon list in the last 30 days.

Which categories does Ernie Thornhill publish in?

Their books chart most often in Careers, Workbooks, Accounting.

How does Ernie Thornhill price their books?

The median price is $25.99; half of the books cost $23.99–$28.74.

Has Ernie Thornhill released new books recently?

3 new books in the last 30 days, 1 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.