KDP categories · Top KDP authors

Joe Durham: Amazon KDP author data

Joe Durham has 16 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #1), mostly in Space Fleet, Space Marine, Military.

16Books on Amazon
9Listed in 30 days
4.4Average rating
Median price$3.99
Price range (middle 50%)$3.99 – $3.99
Median reviews84
Total reviews8,672
New books (30 days)4
Breakout books (30 days)3

View on Amazon

What stands out

  • 56% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $3.99, 20% below the median of their main category, Space Fleet.
  • 4 new books in the last 30 days, 3 of them broke into a Best Sellers list.

Joe Durham's best-ranked books

  1. Lieutenant Year 8 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Lieutenant Year 8 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.3
    • Reviews102
    • Published2026-10

    View on Amazon · Full data on KDPTop

  2. Ensign Year 1 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Ensign Year 1 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$2.99
    • Rating4.4
    • Reviews1,962

    View on Amazon · Full data on KDPTop

  3. Ensign Year 2 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Ensign Year 2 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.6
    • Reviews1,398

    View on Amazon · Full data on KDPTop

  4. Ensign Year 3 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Ensign Year 3 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.6
    • Reviews1,284

    View on Amazon · Full data on KDPTop

  5. Lieutenant Year 4 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Lieutenant Year 4 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.6
    • Reviews1,103

    View on Amazon · Full data on KDPTop

  6. Lieutenant Year 6 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Lieutenant Year 6 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.5
    • Reviews837

    View on Amazon · Full data on KDPTop

  7. Lieutenant Year 7 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Lieutenant Year 7 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.5
    • Reviews703

    View on Amazon · Full data on KDPTop

  8. Lieutenant Year 5 (An Officer of the Union Space Fleet) book cover by Joe Durham

    Lieutenant Year 5 (An Officer of the Union Space Fleet)

    by Joe Durham

    • Price$3.99
    • Rating4.5
    • Reviews986

    View on Amazon · Full data on KDPTop

  9. Lieutenant – Das achte Jahr (Ein Offizier der Unionsraumflotte 8) (German Edition) book cover by Joe Durham

    Lieutenant – Das achte Jahr (Ein Offizier der Unionsraumflotte 8) (German Edition)

    by Joe Durham

    • Price$3.99
    • Rating4.4
    • Reviews4
    • Published2026-10

    View on Amazon · Full data on KDPTop

  10. Fähnrich – Das erste Jahr (Ein Offizier der Unionsraumflotte 1) (German Edition) book cover by Joe Durham

    Fähnrich – Das erste Jahr (Ein Offizier der Unionsraumflotte 1) (German Edition)

    by Joe Durham

    • Price$0
    • Rating4.3
    • Reviews65
    • Published2026-07

    View on Amazon · Full data on KDPTop

Main categories

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.