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Johannes Ernesti: Amazon KDP author data

As of Nov 6, 2026, Johannes Ernesti has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #6), mostly in Computing, Internet & Digital Media, Enterprise Applications, Languages & Tools.

4Books on Amazon
4Listed in 30 days
4.9Average rating
Median price$58.57
Price range (middle 50%)$58.57 – $58.76
Median reviews2
Total reviews233
New books (30 days)2
Breakout books (30 days)2

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What stands out

  • Median price $58.57, 486% above the median of their main category, Computing, Internet & Digital Media.

Johannes Ernesti's best-ranked books

  1. Python 3: The Comprehensive Guide to Hands-On Python Programming (Second Edition) (Rheinwe book cover by Johannes Ernesti

    Python 3: The Comprehensive Guide to Hands-On Python Programming (Second Edition) (Rheinwerk Computing)

    by Johannes Ernesti

    • Price$58.57
    • Rating5.0
    • Reviews2
    • Published2026-08

    View on Amazon · Full data on KDPTop

  2. Python 3: The Comprehensive Guide to Hands-On Python Programming (Second Edition) (Rheinwe book cover by Johannes Ernesti

    Python 3: The Comprehensive Guide to Hands-On Python Programming (Second Edition) (Rheinwerk Computing)

    by Johannes Ernesti

    • Price$58.57
    • Rating5.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  3. Python 3: Das umfassende Handbuch (German Edition) book cover by Johannes Ernesti

    Python 3: Das umfassende Handbuch (German Edition)

    by Johannes Ernesti

    • Price-
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. Python 3: The Comprehensive Guide to Hands-On Python Programming (Rheinwerk Computing) book cover by Johannes Ernesti

    Python 3: The Comprehensive Guide to Hands-On Python Programming (Rheinwerk Computing)

    by Johannes Ernesti

    • Price$58.95
    • Rating4.7
    • Reviews229

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Johannes Ernesti have on Amazon?

KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.

Which categories does Johannes Ernesti publish in?

Their books chart most often in Computing, Internet & Digital Media, Enterprise Applications, Languages & Tools.

How does Johannes Ernesti price their books?

The median price is $58.57; half of the books cost $58.57–$58.76.

Has Johannes Ernesti released new books recently?

2 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.