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Gary S Thorpe M S: Amazon KDP author data

Gary S Thorpe M S has 20 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #1), mostly in Environmental Studies, Advanced Placement, Study Guides.

20Books on Amazon
4Listed in 30 days
4.5Average rating
Median price$20.48
Price range (middle 50%)$13 – $24.34
Median reviews43
Total reviews1,417
New books (30 days)2
Breakout books (30 days)2

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What stands out

  • Median price $20.48, 52% below the median of their main category, Environmental Studies.

Gary S Thorpe M S's best-ranked books

  1. AP Environmental Science Premium, 2027: Prep Book With 5 Practice Tests + Comprehensive Re book cover by Gary S Thorpe M S

    AP Environmental Science Premium, 2027: Prep Book With 5 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Gary S Thorpe M S

    • Price$22.74
    • Rating4.6
    • Reviews33
    • Published2026-08

    View on Amazon · Full data on KDPTop

  2. AP Environmental Science Flashcards, Fourth Edition: Up-to-Date Review + Sorting Ring for book cover by Gary S Thorpe M S

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

    by Gary S Thorpe M S

    • Price$29.99
    • Rating4.5
    • Reviews35

    View on Amazon · Full data on KDPTop

  3. AP Environmental Science Premium, 2027: Prep Book With 5 Practice Tests + Comprehensive Re book cover by Gary S Thorpe M S

    AP Environmental Science Premium, 2027: Prep Book With 5 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Gary S Thorpe M S

    • Price$15.99
    • Rating4.6
    • Reviews33

    View on Amazon · Full data on KDPTop

  4. Barron's AP Environmental Science book cover by Gary S Thorpe M S

    Barron's AP Environmental Science

    by Gary S Thorpe M S

    • Price-
    • Rating4.6
    • Reviews376

    View on Amazon · Full data on KDPTop

  5. Barron's AP Environmental Science with Online Tests book cover by Gary S Thorpe M S

    Barron's AP Environmental Science with Online Tests

    by Gary S Thorpe M S

    • Price-
    • Rating4.6
    • Reviews376
    • Published2017-09

    View on Amazon · Full data on KDPTop

  6. AP Environmental Science Premium: With 5 Practice Tests (Barron's Test Prep) book cover by Gary S Thorpe M S

    AP Environmental Science Premium: With 5 Practice Tests (Barron's Test Prep)

    by Gary S Thorpe M S

    • Price$26.25
    • Rating4.8
    • Reviews153
    • Published2020-08

    View on Amazon · Full data on KDPTop

  7. AP Environmental Science Premium, 2022-2023: Comprehensive Review with 5 Practice Tests, O book cover by Gary S Thorpe M S

    AP Environmental Science Premium, 2022-2023: Comprehensive Review with 5 Practice Tests, Online Learning Lab Access + an Online Timed Test Option (Barron's AP)

    by Gary S Thorpe M S

    • Price$20.48
    • Rating4.5
    • Reviews113
    • Published2022-02

    View on Amazon · Full data on KDPTop

  8. AP Environmental Science Premium, 2024: 5 Practice Tests + Comprehensive Review + Online P book cover by Gary S Thorpe M S

    AP Environmental Science Premium, 2024: 5 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Gary S Thorpe M S

    • Price$16.18
    • Rating4.2
    • Reviews57
    • Published2023-07

    View on Amazon · Full data on KDPTop

  9. AP Environmental Science Premium, 2025: Prep Book with 5 Practice Tests + Comprehensive Re book cover by Gary S Thorpe M S

    AP Environmental Science Premium, 2025: Prep Book with 5 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep)

    by Gary S Thorpe M S

    • Price-
    • Rating4.7
    • Reviews51
    • Published2024-07

    View on Amazon · Full data on KDPTop

  10. Barron's AP Environmental Science with CD-ROM book cover by Gary S Thorpe M S

    Barron's AP Environmental Science with CD-ROM

    by Gary S Thorpe M S

    • Price$29.95
    • Rating4.6
    • Reviews44
    • Published2013-02

    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.