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GRE (Graduate School, Books): Amazon KDP category data

Amazon Books Best Sellers data for GRE (Graduate School, Books), updated Nov 2, 2026: median price $20.58, median 47 reviews, average rating 4.4 and a KDPTop opportunity score of 27/100 (highly competitive).

27Opportunity / 100
$20.58Median price
47Median reviews
Price range (middle 50%)$14.99 – $28.81
Average rating4.4
New releases (90 days)2%
Books on the list99
StoreBooks

What stands out

  • Its median reviews are 28% of the parent category Graduate School (166), one of the easier corners under it.
  • Only 2% of its best sellers are under 90 days old, fewer than in 89% of Books categories: established titles hold the list.

Top 10 GRE best sellers

  1. GRE Prep Plus, Ninth Edition (2026): Includes 6 Practice Tests, 1500+ Practice Questions + book cover by Kaplan Test Prep

    GRE Prep Plus, Ninth Edition (2026): Includes 6 Practice Tests, 1500+ Practice Questions + Online Access to a 500+ Question Bank, Video Tutorials, and Live Class Sessions (Kaplan Test Prep)

    by Kaplan Test Prep

    • List rank#1
    • Price$18.81
    • Rating4.6
    • Reviews352

    View on Amazon · Full data on KDPTop

  2. 5 lb. Book of GRE Practice Problems: 1,400+ Practice Problems in Book and Online (Manhatta book cover by Manhattan Prep

    5 lb. Book of GRE Practice Problems: 1,400+ Practice Problems in Book and Online (Manhattan Prep 5 lb)

    by Manhattan Prep

    • List rank#2
    • Price$27.91
    • Rating4.6
    • Reviews5,178

    View on Amazon · Full data on KDPTop

  3. GRE Vocabulary Flashcards, Sixth Edition + Online Access to Review Your Cards, a Practice  book cover by Kaplan Test Prep

    GRE Vocabulary Flashcards, Sixth Edition + Online Access to Review Your Cards, a Practice Test, and Video Tutorials (Kaplan Test Prep)

    by Kaplan Test Prep

    • List rank#3
    • Price$19.67
    • Rating4.6
    • Reviews157

    View on Amazon · Full data on KDPTop

  4. GRE Complete Ninth Edition (2026): Includes 6 Full Length Practice Tests, 2500+ Practice Q book cover by Kaplan Test Prep

    GRE Complete Ninth Edition (2026): Includes 6 Full Length Practice Tests, 2500+ Practice Questions + Online Access to 1000+ Question Bank, Video ... a Kaplan Live Online Class (Kaplan Test Prep)

    by Kaplan Test Prep

    • List rank#4
    • Price$52.89
    • Rating4.5
    • Reviews81

    View on Amazon · Full data on KDPTop

  5. GRE Prep Book: The Complete and Fully Updated Study Guide to Ace the GRE Exam. Full-Length book cover by Milestone Edsuccess

    GRE Prep Book: The Complete and Fully Updated Study Guide to Ace the GRE Exam. Full-Length Practice Tests, Step-by-Step Explanations, & Insider Strategies

    by Milestone Edsuccess

    • List rank#5
    • Price$29.95
    • Rating4.9
    • Reviews328

    View on Amazon · Full data on KDPTop

  6. 5,000 Most Common GRE Words with Example Sentences: Official Test Preparation Guide: A Voc book cover by Matthew Goode

    5,000 Most Common GRE Words with Example Sentences: Official Test Preparation Guide: A Vocabulary Builder for Adults

    by Matthew Goode

    • List rank#6
    • Price$18.68
    • Rating2.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  7. Cracking the GRE Mathematics Subject Test, 4th Edition book cover by Steven A. Leduc

    Cracking the GRE Mathematics Subject Test, 4th Edition

    by Steven A. Leduc

    • List rank#7
    • Price$23.97
    • Rating4.3
    • Reviews265

    View on Amazon · Full data on KDPTop

  8. Princeton Review GRE Premium Prep, 37th Edition: 6 Practice Tests + Review & Techniques +  book cover by The Princeton Review

    Princeton Review GRE Premium Prep, 37th Edition: 6 Practice Tests + Review & Techniques + Online Tools (Graduate School Test Preparation)

    by The Princeton Review

    • List rank#8
    • Price$24.93
    • Rating4.6
    • Reviews5

    View on Amazon · Full data on KDPTop

  9. 500 Advanced Words: GRE Vocabulary Flashcards (Manhattan Prep GRE Prep) book cover by Manhattan Prep

    500 Advanced Words: GRE Vocabulary Flashcards (Manhattan Prep GRE Prep)

    by Manhattan Prep

    • List rank#9
    • Price$23.87
    • Rating4.7
    • Reviews698

    View on Amazon · Full data on KDPTop

  10. GRE Math Workbook: Score Higher with 1,000+ Drills & Practice Questions (Kaplan Test Prep) book cover by Kaplan Test Prep

    GRE Math Workbook: Score Higher with 1,000+ Drills & Practice Questions (Kaplan Test Prep)

    by Kaplan Test Prep

    • List rank#10
    • Price$24.99
    • Rating4.6
    • Reviews228

    View on Amazon · Full data on KDPTop

FAQ

Is GRE a good niche for Amazon KDP?

Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 47 reviews and sells for $20.58.

How many reviews do you need to rank in GRE?

The median best seller has 47 reviews, and 62% of them have fewer than 100.

What do GRE best sellers cost?

The median price is $20.58; half of the best sellers are priced between $14.99 and $28.81.

Can new books break into GRE?

2% of the current best sellers were released in the last 90 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.