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S J Kincaid: Amazon KDP author data

As of Nov 6, 2026, S J Kincaid has 8 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #24), mostly in Science & Technology, War & Military, Time Travel.

8Books on Amazon
7Listed in 30 days
4.4Average rating
Median price$9.99
Price range (middle 50%)$9.99 – $11.68
Median reviews459
Total reviews4,291
New books (30 days)0
Breakout books (30 days)0

View on Amazon

What stands out

  • 88% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $9.99, 43% above the median of their main category, Science & Technology.

S J Kincaid's best-ranked books

  1. Insignia book cover by S J Kincaid

    Insignia

    by S J Kincaid

    • Price$9.99
    • Rating4.4
    • Reviews962
    • Published2012-07

    View on Amazon · Full data on KDPTop

  2. Catalyst: A Heart-Pounding YA Military Sci-Fi Finale about Teen Gamers, Found Family, and  book cover by S J Kincaid

    Catalyst: A Heart-Pounding YA Military Sci-Fi Finale about Teen Gamers, Found Family, and a War for the Solar System (Insignia Book 3)

    by S J Kincaid

    • Price$12.99
    • Rating4.6
    • Reviews889
    • Published2014-10

    View on Amazon · Full data on KDPTop

  3. Vortex (Insignia Book 2) book cover by S J Kincaid

    Vortex (Insignia Book 2)

    by S J Kincaid

    • Price$9.99
    • Rating4.6
    • Reviews553
    • Published2013-07

    View on Amazon · Full data on KDPTop

  4. Allies (Insignia) book cover by S J Kincaid

    Allies (Insignia)

    by S J Kincaid

    • Price$0
    • Rating4.3
    • Reviews184
    • Published2013-05

    View on Amazon · Full data on KDPTop

  5. The Nemesis (The Diabolic Book 3) book cover by S J Kincaid

    The Nemesis (The Diabolic Book 3)

    by S J Kincaid

    • Price$9.99
    • Rating4.6
    • Reviews365

    View on Amazon · Full data on KDPTop

  6. Insignia: A Thrilling Middle Grade Sci-Fi Story About an Unlikely Gamer Hero and Earth's S book cover by S J Kincaid

    Insignia: A Thrilling Middle Grade Sci-Fi Story About an Unlikely Gamer Hero and Earth's Survival

    by S J Kincaid

    • Price$11.68
    • Rating4.4
    • Reviews961

    View on Amazon · Full data on KDPTop

  7. Nemesis book cover by S J Kincaid

    Nemesis

    by S J Kincaid

    • Price$0
    • Rating4.6
    • Reviews365

    View on Amazon · Full data on KDPTop

  8. Pitch Dark: Dark Days of Summer Sampler book cover by S J Kincaid

    Pitch Dark: Dark Days of Summer Sampler

    by S J Kincaid

    • Price$0
    • Rating3.7
    • Reviews12
    • Published2012-04

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does S J Kincaid have on Amazon?

KDPTop tracks 8 of their books; 7 made an Amazon list in the last 30 days.

Which categories does S J Kincaid publish in?

Their books chart most often in Science & Technology, War & Military, Time Travel.

How does S J Kincaid price their books?

The median price is $9.99; half of the books cost $9.99–$11.68.

Has S J Kincaid 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.