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Apex Exam Prep: Amazon KDP author data

Apex Exam Prep has 39 books on Amazon, 36 of them on a best-seller list in the last 30 days (best rank #6), mostly in Professional, Vocational Tests, Careers.

39Books on Amazon
36Listed in 30 days
4.7Average rating
Median price$12.99
Price range (middle 50%)$12.99 – $29.97
Median reviews5
Total reviews99
New books (30 days)31
Breakout books (30 days)19

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What stands out

  • 92% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $12.99, 58% below the median of their main category, Professional.
  • 31 new books in the last 30 days, 19 of them broke into a Best Sellers list.

Apex Exam Prep's best-ranked books

  1. Certified Fraud Examiner (CFE) Study Guide 2026–2027: Current 3-Section Exam Prep with 940 book cover by Apex Exam Prep

    Certified Fraud Examiner (CFE) Study Guide 2026–2027: Current 3-Section Exam Prep with 940+ Practice Items, 6 Full-Length Section Practice Exams, Decision ... Explanations (Apex CFE Exam Prep Series)

    by Apex Exam Prep

    • Price$12.99
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

  2. Plumbing License Exam Prep 2026-2027: The Complete Journeyman & Master Plumber Study Manua book cover by Apex Exam Prep

    Plumbing License Exam Prep 2026-2027: The Complete Journeyman & Master Plumber Study Manual 1,050 Code-Cited Rationales, Isometric Sketch Drills, Master 4-Chart Workshop & Test-Day Protocol

    by Apex Exam Prep

    • Price$11.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  3. Certified Fraud Examiner (CFE) Study Guide 2026–2027: Current 3-Section Exam Prep with 940 book cover by Apex Exam Prep

    Certified Fraud Examiner (CFE) Study Guide 2026–2027: Current 3-Section Exam Prep with 940+ Practice Items, 6 Full-Length Section Practice Exams, ... Explanations (Apex CFE Exam Prep Series)

    by Apex Exam Prep

    • Price$29.99
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

  4. Certified Fraud Examiner (CFE) Study Guide 2026–2027: Current 3-Section Exam Prep with 940 book cover by Apex Exam Prep

    Certified Fraud Examiner (CFE) Study Guide 2026–2027: Current 3-Section Exam Prep with 940+ Practice Items, 6 Full-Length Section Practice Exams, ... Explanations (Apex CFE Exam Prep Series)

    by Apex Exam Prep

    • Price$39.24
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

  5. Postal Exam 943/944/945 Study Guide 2026-2027: USPS Automotive Mechanic & Technician Prep  book cover by Apex Exam Prep

    Postal Exam 943/944/945 Study Guide 2026-2027: USPS Automotive Mechanic & Technician Prep with 860 Practice Questions, 4 Practice Exams, Fleet Maintenance ... (Apex Postal Technical Exam Prep)

    by Apex Exam Prep

    • Price$12.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  6. Postal Exam 955 Practice Workbook: Multicraft & Spatial Relations Study Guide with 723 Ori book cover by Apex Exam Prep

    Postal Exam 955 Practice Workbook: Multicraft & Spatial Relations Study Guide with 723 Original Practice Questions, 3 Full Simulations & 140+ Diagrams (Apex Postal Technical Exam Prep)

    by Apex Exam Prep

    • Price$12.99
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

  7. CPPS Exam Study Guide 2026–2027: Certified Professional in Patient Safety Review with 800  book cover by Apex Exam Prep

    CPPS Exam Study Guide 2026–2027: Certified Professional in Patient Safety Review with 800 Practice Questions, 4 Full-Length Exams, Detailed Rationales, and a 6-Week Study Plan

    by Apex Exam Prep

    • Price$9.99
    • Rating3.5
    • Reviews2

    View on Amazon · Full data on KDPTop

  8. USCG OUPV Six-Pack Captain's License Exam Prep 2026-2027: Near Coastal ONC07 Study Guide & book cover by Apex Exam Prep

    USCG OUPV Six-Pack Captain's License Exam Prep 2026-2027: Near Coastal ONC07 Study Guide & Workbook Rules of the Road, Deck/Safety, Navigation, Chart Plotting, Calculations, Practice Questions & Test

    by Apex Exam Prep

    • Price$12.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  9. CDIP Exam Study Guide 2026–2027: Independent Certification Prep with 1,000 Practice Questi book cover by Apex Exam Prep

    CDIP Exam Study Guide 2026–2027: Independent Certification Prep with 1,000 Practice Questions, Five-Domain Review, Detailed Rationales, CDI Case Labs, Query Practice, and Full-Length Practice Exam

    by Apex Exam Prep

    • Price$12.99
    • Rating5.0
    • Reviews6

    View on Amazon · Full data on KDPTop

  10. BCBA Exam Study Guide 2026-2027 6th Edition Exam Prep: Study Manual with 175 Practice Ques book cover by Apex Exam Prep

    BCBA Exam Study Guide 2026-2027 6th Edition Exam Prep: Study Manual with 175 Practice Questions, Detailed Answer Explanations, Scenarios, TCO Review, ... Exam Prep Behavior Analysis Series Book 1)

    by Apex Exam Prep

    • Price$12.99
    • Reviews-

    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.