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Robert McEntarffer: Amazon KDP author data

As of Nov 6, 2026, Robert McEntarffer has 7 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #3), mostly in Psychology, Advanced Placement, Test Prep & Study Guides.

7Books on Amazon
3Listed in 30 days
4.7Average rating
Median price$24.87
Price range (middle 50%)$21.55 – $27.46
Median reviews120
Total reviews801
New books (30 days)0
Breakout books (30 days)0

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Robert McEntarffer's best-ranked books

  1. AP Psychology Premium, 2027: Prep Book with 4 Practice Tests + Comprehensive Review + Onli book cover by Robert McEntarffer

    AP Psychology Premium, 2027: Prep Book with 4 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Robert McEntarffer

    • Price$23.57
    • Rating4.8
    • Reviews122
    • Published2026-07

    View on Amazon · Full data on KDPTop

  2. AP Psychology Flashcards, Sixth Edition: Up-to-Date Review (Barron's AP Prep) book cover by Robert McEntarffer

    AP Psychology Flashcards, Sixth Edition: Up-to-Date Review (Barron's AP Prep)

    by Robert McEntarffer

    • Price$26.16
    • Rating4.5
    • Reviews87

    View on Amazon · Full data on KDPTop

  3. AP Q&A Psychology, Second Edition: 600 Questions and Answers (Barron's AP Prep) book cover by Robert McEntarffer

    AP Q&A Psychology, Second Edition: 600 Questions and Answers (Barron's AP Prep)

    by Robert McEntarffer

    • Price$20.88
    • Rating4.7
    • Reviews114

    View on Amazon · Full data on KDPTop

  4. AP Psychology Premium, 2025: Prep Book for the New 2025 Exam with 3 Practice Tests + Compr book cover by Robert McEntarffer

    AP Psychology Premium, 2025: Prep Book for the New 2025 Exam with 3 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Robert McEntarffer

    • Price$27.89
    • Rating4.7
    • Reviews149
    • Published2024-11

    View on Amazon · Full data on KDPTop

  5. AP Psychology Premium, 2026: Prep Book with 3 Practice Tests + Comprehensive Review + Onli book cover by Robert McEntarffer

    AP Psychology Premium, 2026: Prep Book with 3 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Robert McEntarffer

    • Price-
    • Rating4.8
    • Reviews122
    • Published2025-07

    View on Amazon · Full data on KDPTop

  6. AP Psychology Premium, 2024: Comprehensive Review With 6 Practice Tests + an Online Timed book cover by Robert McEntarffer

    AP Psychology Premium, 2024: Comprehensive Review With 6 Practice Tests + an Online Timed Test Option (Barron's AP Prep)

    by Robert McEntarffer

    • Price$6.37
    • Rating4.7
    • Reviews120
    • Published2023-07

    View on Amazon · Full data on KDPTop

  7. AP Psychology Flashcards, Fifth Edition: Up-to-Date Review + Sorting Ring for Custom Study book cover by Robert McEntarffer

    AP Psychology Flashcards, Fifth Edition: Up-to-Date Review + Sorting Ring for Custom Study (Barron's AP Prep)

    by Robert McEntarffer

    • Price$29.99
    • Rating4.5
    • Reviews87
    • Published2023-07

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Robert McEntarffer have on Amazon?

KDPTop tracks 7 of their books; 3 made an Amazon list in the last 30 days.

Which categories does Robert McEntarffer publish in?

Their books chart most often in Psychology, Advanced Placement, Test Prep & Study Guides.

How does Robert McEntarffer price their books?

The median price is $24.87; half of the books cost $21.55–$27.46.

Has Robert McEntarffer released new books recently?

0 new books in the last 30 days.

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.