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John Kretschmer: Amazon KDP author data

As of Nov 6, 2026, John Kretschmer has 13 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #5), mostly in Sailing, Water Sports, Boating.

13Books on Amazon
13Listed in 30 days
4.5Average rating
Median price$15.09
Price range (middle 50%)$14.69 – $16.95
Median reviews759
Total reviews11,355
New books (30 days)0
Breakout books (30 days)0

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 $15.09, 16% below the median of their main category, Sailing.

John Kretschmer's best-ranked books

  1. Sailing a Serious Ocean: Sailboats, Storms, Stories and Lessons Learned from 30 Years at S book cover by John Kretschmer

    Sailing a Serious Ocean: Sailboats, Storms, Stories and Lessons Learned from 30 Years at Sea

    by John Kretschmer

    • Price$14.95
    • Rating4.6
    • Reviews1,250
    • Published2019-02

    View on Amazon · Full data on KDPTop

  2. Sailing to the Edge of Time: The Promise, the Challenges, and the Freedom of Ocean Voyagin book cover by John Kretschmer

    Sailing to the Edge of Time: The Promise, the Challenges, and the Freedom of Ocean Voyaging

    by John Kretschmer

    • Price$17.29
    • Rating4.6
    • Reviews759

    View on Amazon · Full data on KDPTop

  3. Sailing to the Edge of Time: The Promise, the Challenges, and the Freedom of Ocean Voyagin book cover by John Kretschmer

    Sailing to the Edge of Time: The Promise, the Challenges, and the Freedom of Ocean Voyaging

    by John Kretschmer

    • Price$15.39
    • Rating4.6
    • Reviews759

    View on Amazon · Full data on KDPTop

  4. Sailing a Serious Ocean (CREATIVE MATH SUPPLEMENT) book cover by John Kretschmer

    Sailing a Serious Ocean (CREATIVE MATH SUPPLEMENT)

    by John Kretschmer

    • Price$11.19
    • Rating4.6
    • Reviews1,250

    View on Amazon · Full data on KDPTop

  5. Flirting with Mermaids: The Unpredictable Life of a Sailboat Delivery Skipper book cover by John Kretschmer

    Flirting with Mermaids: The Unpredictable Life of a Sailboat Delivery Skipper

    by John Kretschmer

    • Price$16.69
    • Rating4.5
    • Reviews935

    View on Amazon · Full data on KDPTop

  6. Flirting with Mermaids: The Unpredictable Life of a Sailboat Delivery Skipper book cover by John Kretschmer

    Flirting with Mermaids: The Unpredictable Life of a Sailboat Delivery Skipper

    by John Kretschmer

    • Price$16.99
    • Rating4.5
    • Reviews935

    View on Amazon · Full data on KDPTop

  7. Cape Horn to Starboard book cover by John Kretschmer

    Cape Horn to Starboard

    by John Kretschmer

    • Price$16.95
    • Rating4.5
    • Reviews659

    View on Amazon · Full data on KDPTop

  8. Sailing a Serious Ocean: Sailboats, Storms, Stories and Lessons Learned from 30 Years at S book cover by John Kretschmer

    Sailing a Serious Ocean: Sailboats, Storms, Stories and Lessons Learned from 30 Years at Sea

    by John Kretschmer

    • Price$11.78
    • Rating4.6
    • Reviews1,250

    View on Amazon · Full data on KDPTop

  9. Cape Horn to Starboard book cover by John Kretschmer

    Cape Horn to Starboard

    by John Kretschmer

    • Price$14.69
    • Rating4.5
    • Reviews659

    View on Amazon · Full data on KDPTop

  10. Cape Horn to Starboard book cover by John Kretschmer

    Cape Horn to Starboard

    by John Kretschmer

    • Price$14.99
    • Rating4.5
    • Reviews658

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does John Kretschmer have on Amazon?

KDPTop tracks 13 of their books; 13 made an Amazon list in the last 30 days.

Which categories does John Kretschmer publish in?

Their books chart most often in Sailing, Water Sports, Boating.

How does John Kretschmer price their books?

The median price is $15.09; half of the books cost $14.69–$16.95.

Has John Kretschmer released new books recently?

0 new books in the last 30 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.