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Paul G Simpson: Amazon KDP author data

Paul G Simpson has 82 books on Amazon, 50 of them on a best-seller list in the last 30 days (best rank #23), mostly in Test Preparation, High School Entrance, SAT.

82Books on Amazon
50Listed in 30 days
4.2Average rating
Median price$33.99
Price range (middle 50%)$24.99 – $34.99
Median reviews2
Total reviews17
New books (30 days)46
Breakout books (30 days)15

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What stands out

  • 61% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $33.99, 52% above the median of their main category, Test Preparation.
  • 46 new books in the last 30 days, 15 of them broke into a Best Sellers list.

Paul G Simpson's best-ranked books

  1. 10 Advanced SAT Math Practice Tests: 2026–2027 Digital SAT Math Prep with 10 Full-Length M book cover by Paul G Simpson

    10 Advanced SAT Math Practice Tests: 2026–2027 Digital SAT Math Prep with 10 Full-Length Math Tests, 440 Challenging Questions, Detailed Explanations, ... Practice for the Digital SAT and PSAT)

    by Paul G Simpson

    • Price$29.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. Bergen County Academies & Bergen Tech Teterboro: 10 Practice Tests for the Entrance Exam:  book cover by Paul G Simpson

    Bergen County Academies & Bergen Tech Teterboro: 10 Practice Tests for the Entrance Exam: Full-Length Math & English Exam Prep with 400+ Questions, ... Admissions: Complete Entrance Exam Prep)

    by Paul G Simpson

    • Price$39.99
    • Reviews-

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  3. Enhanced ACT Science Mastery Workbook: Targeted Lessons, Realistic Practice Questions, Dat book cover by Paul G Simpson

    Enhanced ACT Science Mastery Workbook: Targeted Lessons, Realistic Practice Questions, Data Interpretation, Experimental Design, Scientific Reasoning ... Strategies for English, Math, Readi)

    by Paul G Simpson

    • Price$22.99
    • Reviews-

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  4. Digital SAT Math: Advanced Math Workbook: 382 Practice Questions, 30 Step-by-Step Lessons, book cover by Paul G Simpson

    Digital SAT Math: Advanced Math Workbook: 382 Practice Questions, 30 Step-by-Step Lessons, 80 Worked Examples, Detailed Answer Explanations, and 5 ... Practice for the Digital SAT and PSAT)

    by Paul G Simpson

    • Price$24.99
    • Reviews-

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  5. Desmos Mastery for the Enhanced ACT: 14 Step-by-Step Lessons, 320 ACT Math Practice Questi book cover by Paul G Simpson

    Desmos Mastery for the Enhanced ACT: 14 Step-by-Step Lessons, 320 ACT Math Practice Questions, and 12 Mastery Tests for Faster Solving, Greater ... Strategies for English, Math, Readi)

    by Paul G Simpson

    • Price$24.99
    • Reviews-

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  6. 1,010 Advanced Enhanced ACT Practice Questions: Hard & Very Hard English, Math, Reading &  book cover by Paul G Simpson

    1,010 Advanced Enhanced ACT Practice Questions: Hard & Very Hard English, Math, Reading & Science Practice for Students Targeting 30–36 (Enhanced ACT ... Strategies for English, Math, Readi)

    by Paul G Simpson

    • Price$32.99
    • Reviews-

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  7. Digital SAT Math: Geometry & Trigonometry Workbook: 310 Practice Questions, 34 Step-by-Ste book cover by Paul G Simpson

    Digital SAT Math: Geometry & Trigonometry Workbook: 310 Practice Questions, 34 Step-by-Step Lessons, Detailed Answer Explanations, and 5 Complete ... Practice for the Digital SAT and PSAT)

    by Paul G Simpson

    • Price$22.99
    • Reviews-

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  8. 10 Digital PSAT Practice Tests: 980 Reading & Writing and Math Questions with Complete Ans book cover by Paul G Simpson

    10 Digital PSAT Practice Tests: 980 Reading & Writing and Math Questions with Complete Answer Keys, Detailed Explanations & Estimated Scoring (Best ... Practice for the Digital SAT and PSAT)

    by Paul G Simpson

    • Price$34.99
    • Reviews-

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  9. Enhanced ACT Reading Mastery Workbook: 42 Step-by-Step Lessons, 342 Practice Questions, 5  book cover by Paul G Simpson

    Enhanced ACT Reading Mastery Workbook: 42 Step-by-Step Lessons, 342 Practice Questions, 5 Full-Length Tests & Detailed Explanations (Enhanced ACT ... Strategies for English, Math, Readi)

    by Paul G Simpson

    • Price$24.99
    • Reviews-

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  10. Hunter College High School Entrance Exam Complete Prep: 6 Full-Length Practice Tests, 804  book cover by Paul G Simpson

    Hunter College High School Entrance Exam Complete Prep: 6 Full-Length Practice Tests, 804 Practice Questions, 30 Writing Assignments, 90 Model ... Admissions: Complete Entrance Exam Prep)

    by Paul G Simpson

    • Price$39.99
    • Rating3.0
    • Reviews2

    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.