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Donald L. Robertson: Amazon KDP author data

As of Nov 6, 2026, Donald L. Robertson has 18 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #12), mostly in 19th Century, Old West, Westerns.

18Books on Amazon
12Listed in 30 days
4.6Average rating
Median price$2.99
Price range (middle 50%)$1.36 – $13.99
Median reviews2,182
Total reviews47,597
New books (30 days)4
Breakout books (30 days)1

View on Amazon

What stands out

  • 67% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • 4 new books in the last 30 days, 1 of them broke into a Best Sellers list.

Donald L. Robertson's best-ranked books

  1. Home Beneath The Star: A Jack Sage Western book cover by Donald L. Robertson

    Home Beneath The Star: A Jack Sage Western

    by Donald L. Robertson

    • Price$2.99
    • Rating4.7
    • Reviews1,100

    View on Amazon · Full data on KDPTop

  2. Justice of the Star: A Jack Sage Western book cover by Donald L. Robertson

    Justice of the Star: A Jack Sage Western

    by Donald L. Robertson

    • Price$1.49
    • Rating4.6
    • Reviews1,506

    View on Amazon · Full data on KDPTop

  3. Burden of a Mountain Man: Logan Mountain Man Western Series - Book 4 (A Logan Mountain Man book cover by Donald L. Robertson

    Burden of a Mountain Man: Logan Mountain Man Western Series - Book 4 (A Logan Mountain Man Series)

    by Donald L. Robertson

    • Price$2.99
    • Rating4.6
    • Reviews1,413

    View on Amazon · Full data on KDPTop

  4. The Loyal Star: A Jack Sage Western book cover by Donald L. Robertson

    The Loyal Star: A Jack Sage Western

    by Donald L. Robertson

    • Price$13.99
    • Rating4.7
    • Reviews1,763

    View on Amazon · Full data on KDPTop

  5. Honor of the Star: A Jack Sage Western - Book 8 book cover by Donald L. Robertson

    Honor of the Star: A Jack Sage Western - Book 8

    by Donald L. Robertson

    • Price$2.99
    • Rating4.7
    • Reviews1,142

    View on Amazon · Full data on KDPTop

  6. Law and Justice: Justice Series - Book 2 book cover by Donald L. Robertson

    Law and Justice: Justice Series - Book 2

    by Donald L. Robertson

    • Price$2.99
    • Rating4.6
    • Reviews3,651

    View on Amazon · Full data on KDPTop

  7. Stranger With A Star: Classic Old West Adventure (A Jack Sage Western Book 1) book cover by Donald L. Robertson

    Stranger With A Star: Classic Old West Adventure (A Jack Sage Western Book 1)

    by Donald L. Robertson

    • Price$0
    • Rating4.6
    • Reviews5,358
    • Published2023-10

    View on Amazon · Full data on KDPTop

  8. Soul of a Mountain Man: Logan Mountain Man Western Series, Book 1 (A Logan Mountain Man Se book cover by Donald L. Robertson

    Soul of a Mountain Man: Logan Mountain Man Western Series, Book 1 (A Logan Mountain Man Series)

    by Donald L. Robertson

    • Price$17.46
    • Rating4.6
    • Reviews4,970

    View on Amazon · Full data on KDPTop

  9. Mettle of a Mountain Man: Logan Mountain Man Western Series, Book 3 book cover by Donald L. Robertson

    Mettle of a Mountain Man: Logan Mountain Man Western Series, Book 3

    by Donald L. Robertson

    • Price$0.99
    • Rating4.6
    • Reviews4,401
    • Published2023-09

    View on Amazon · Full data on KDPTop

  10. Logan's Word: A Logan Family Western - Book 1 (Logan Family Western Series) book cover by Donald L. Robertson

    Logan's Word: A Logan Family Western - Book 1 (Logan Family Western Series)

    by Donald L. Robertson

    • Price$0
    • Rating4.6
    • Reviews4,020
    • Published2014-12

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Donald L. Robertson have on Amazon?

KDPTop tracks 18 of their books; 12 made an Amazon list in the last 30 days.

Which categories does Donald L. Robertson publish in?

Their books chart most often in 19th Century, Old West, Westerns.

How does Donald L. Robertson price their books?

The median price is $2.99; half of the books cost $1.36–$13.99.

Has Donald L. Robertson released new books recently?

4 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.