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Marshall H Kaplan: Amazon KDP author data

As of Nov 6, 2026, Marshall H Kaplan has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in Aeronautics & Astronautics, Aviation, Aerospace.

2Books on Amazon
2Listed in 30 days
4.2Average rating
Median price$17.97
Price range (middle 50%)$13.98 – $21.96
Median reviews2
Total reviews3
New listings (30 days, incl. new editions)2
Breakout books (30 days)1

View on Amazon

Marshall H Kaplan's best-ranked books

  1. Saving Columbia: Lost Opportunity to Save Seven Astronauts book cover by Marshall H Kaplan

    Saving Columbia: Lost Opportunity to Save Seven Astronauts

    by Marshall H Kaplan

    • Price$9.99
    • Rating3.5
    • Reviews2
    • Published2026-10

    View on Amazon · Full data on KDPTop

  2. Saving Columbia: Lost Opportunity to Save Seven Astronauts book cover by Marshall H Kaplan

    Saving Columbia: Lost Opportunity to Save Seven Astronauts

    by Marshall H Kaplan

    • Price$25.95
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Marshall H Kaplan have on Amazon?

KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.

Which categories does Marshall H Kaplan publish in?

Their books chart most often in Aeronautics & Astronautics, Aviation, Aerospace.

How does Marshall H Kaplan price their books?

The median price is $17.97; half of the books cost $13.98–$21.96.

Has Marshall H Kaplan released new books recently?

2 new books in the last 30 days, 1 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.