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Cody J. Rumsey: Amazon KDP author data

As of Nov 6, 2026, Cody J. Rumsey has 10 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #10), mostly in Study Aids, Children's General Study Aids, Journal Writing.

10Books on Amazon
8Listed in 30 days
5.0Average rating
Median price$13.66
Price range (middle 50%)$13.50 – $13.99
Median reviews2
Total reviews20
New books (30 days)8
Breakout books (30 days)2

View on Amazon

What stands out

  • 80% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $13.66, 52% above the median of their main category, Study Aids.
  • 8 new books in the last 30 days, 2 of them broke into a Best Sellers list.

Cody J. Rumsey's best-ranked books

  1. The World Geography Workbook for Grades 8–12: Analyze Places, People & Patterns Across a C book cover by Cody J. Rumsey

    The World Geography Workbook for Grades 8–12: Analyze Places, People & Patterns Across a Changing World

    by Cody J. Rumsey

    • Price$13.50
    • Rating5.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  2. CIVICS WORKBOOK FOR GRADES 5–8: Understand Government, Know Your Rights & Become an Active book cover by Cody J. Rumsey

    CIVICS WORKBOOK FOR GRADES 5–8: Understand Government, Know Your Rights & Become an Active Citizen

    by Cody J. Rumsey

    • Price$13.50
    • Rating5.0
    • Reviews3

    View on Amazon · Full data on KDPTop

  3. ANCIENT CIVILIZATIONS WORKBOOK FOR KIDS: Explore Ancient Worlds, Discover Lost Cultures &  book cover by Cody J. Rumsey

    ANCIENT CIVILIZATIONS WORKBOOK FOR KIDS: Explore Ancient Worlds, Discover Lost Cultures & Connect the Past to Today

    by Cody J. Rumsey

    • Price$13.99
    • Rating5.0
    • Reviews3

    View on Amazon · Full data on KDPTop

  4. STEM Activity Workbook for Kids: Build, Experiment, Explore & Solve Real-World Problems book cover by Cody J. Rumsey

    STEM Activity Workbook for Kids: Build, Experiment, Explore & Solve Real-World Problems

    by Cody J. Rumsey

    • Price$13.99
    • Rating5.0
    • Reviews3

    View on Amazon · Full data on KDPTop

  5. Middle School Novel Unit Workbook: A Flexible Reading Guide for Comprehension Literary Ana book cover by Cody J. Rumsey

    Middle School Novel Unit Workbook: A Flexible Reading Guide for Comprehension Literary Analysis and Critical Thinking

    by Cody J. Rumsey

    • Price$13.33
    • Rating5.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  6. POETRY PROMPT WORKBOOK FOR KIDS: Creative Writing Prompts to Spark Imagination, Expression book cover by Cody J. Rumsey

    POETRY PROMPT WORKBOOK FOR KIDS: Creative Writing Prompts to Spark Imagination, Expression & a Unique Poetic Voice

    by Cody J. Rumsey

    • Price$13.66
    • Rating5.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  7. CAMPING ACTIVITY WORKBOOK FOR KIDS: Outdoor Skills, Nature Adventures & Fun Challenges for book cover by Cody J. Rumsey

    CAMPING ACTIVITY WORKBOOK FOR KIDS: Outdoor Skills, Nature Adventures & Fun Challenges for Young Campers

    by Cody J. Rumsey

    • Price$13.99
    • Rating5.0
    • Reviews2
    • Published2026-09

    View on Amazon · Full data on KDPTop

  8. The Complete U.S. Geography Workbook for Grades 4, 5 And 6: Explore States, Regions, Landf book cover by Cody J. Rumsey

    The Complete U.S. Geography Workbook for Grades 4, 5 And 6: Explore States, Regions, Landforms & the Geography That Shapes America

    by Cody J. Rumsey

    • Price$13.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  9. PMP Exam Prep Workbook: Scenario-Based: Practice, Project Decisions, Exam Readiness. Pass  book cover by Cody J. Rumsey

    PMP Exam Prep Workbook: Scenario-Based: Practice, Project Decisions, Exam Readiness. Pass With Confidence.

    by Cody J. Rumsey

    • Price-
    • Rating5.0
    • Reviews1
    • Published2026-09

    View on Amazon · Full data on KDPTop

  10. SPOT THE DIFFERENCE WORKBOOK: 100 Brain-Teasing Puzzles to Boost Focus and Observation Ski book cover by Cody J. Rumsey

    SPOT THE DIFFERENCE WORKBOOK: 100 Brain-Teasing Puzzles to Boost Focus and Observation Skills for Ages 6-10

    by Cody J. Rumsey

    • Price$13.50
    • Rating5.0
    • Reviews1
    • Published2026-09

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Cody J. Rumsey have on Amazon?

KDPTop tracks 10 of their books; 8 made an Amazon list in the last 30 days.

Which categories does Cody J. Rumsey publish in?

Their books chart most often in Study Aids, Children's General Study Aids, Journal Writing.

How does Cody J. Rumsey price their books?

The median price is $13.66; half of the books cost $13.50–$13.99.

Has Cody J. Rumsey released new books recently?

8 new books in the last 30 days, 2 of which reached a Best Sellers list.

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.