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Rick Hollandsworth: Amazon KDP author data

As of Nov 6, 2026, Rick Hollandsworth has 10 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #2), mostly in Science, Nature & How It Works, Children's Nonfiction, Experiments & Projects.

10Books on Amazon
10Listed in 30 days
5.0Average rating
Median price$4.99
Price range (middle 50%)$4.99 – $4.99
Median reviews2
Total reviews2
New listings (30 days, incl. new editions)10
Breakout books (30 days)8

View on Amazon

What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $4.99, 28% below the median of their main category, Science, Nature & How It Works.
  • 10 new listings in the last 30 days (new editions included), 8 of them broke into a Best Sellers list.

Rick Hollandsworth's best-ranked books

  1. The STEM Squad: Tariq's Code: Book Two of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: Tariq's Code: Book Two of The STEM Squad Series

    by Rick Hollandsworth

    • Price$2.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  2. The STEM Squad: The Energy Blackout: Book Six of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: The Energy Blackout: Book Six of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. The STEM Squad: Sofia's Discovery: Book One of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: Sofia's Discovery: Book One of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Rating5.0
    • Reviews2
    • Published2026-10

    View on Amazon · Full data on KDPTop

  4. The STEM Squad: Maya's Patterns: Book Four of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: Maya's Patterns: Book Four of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  5. The STEM Squad: The Water Crisis: Book Five of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: The Water Crisis: Book Five of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. The STEM Squad: Elena Builds: Book Three of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: Elena Builds: Book Three of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  7. The STEM Squad: Building for Everyone: Book Seven of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: Building for Everyone: Book Seven of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  8. The STEM Squad: The Food Waste Crisis: Book Eight of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: The Food Waste Crisis: Book Eight of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  9. The STEM Squad: The Big Solution: Book Ten of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: The Big Solution: Book Ten of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. The STEM Squad: The Recess Alert: Book Nine of The STEM Squad Series book cover by Rick Hollandsworth

    The STEM Squad: The Recess Alert: Book Nine of The STEM Squad Series

    by Rick Hollandsworth

    • Price$4.99
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Rick Hollandsworth have on Amazon?

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

Which categories does Rick Hollandsworth publish in?

Their books chart most often in Science, Nature & How It Works, Children's Nonfiction, Experiments & Projects.

How does Rick Hollandsworth price their books?

The median price is $4.99; half of the books cost $4.99–$4.99.

Has Rick Hollandsworth released new books recently?

10 new books in the last 30 days, 8 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.