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Eric Helm: Amazon KDP author data

As of Nov 6, 2026, Eric Helm has 13 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #9), mostly in Alternative History, Alternate History, Mystery, Thriller & Suspense.

13Books on Amazon
7Listed in 30 days
4.4Average rating
Median price$4.99
Price range (middle 50%)$4.99 – $5.24
Median reviews352
Total reviews6,011
New books (30 days)3
Breakout books (30 days)2

View on Amazon

What stands out

  • 54% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.

Eric Helm's best-ranked books

  1. Vietnam: Ground Zero: The American Special Forces are heading to the jungle... (Vietnam Gr book cover by Eric Helm

    Vietnam: Ground Zero: The American Special Forces are heading to the jungle... (Vietnam Ground Zero Military Thrillers Book 1)

    by Eric Helm

    • Price$4.99
    • Rating4.4
    • Reviews1,348
    • Published2020-12

    View on Amazon · Full data on KDPTop

  2. Prelude to War: Atomic warfare threatens... (The Global War Military Thriller Series Book  book cover by Eric Helm

    Prelude to War: Atomic warfare threatens... (The Global War Military Thriller Series Book 4)

    by Eric Helm

    • Price$4.99
    • Rating4.3
    • Reviews23
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. Dawn of Conflict: An epic world battle begins... (The Global War Military Thriller Series  book cover by Eric Helm

    Dawn of Conflict: An epic world battle begins... (The Global War Military Thriller Series Book 1)

    by Eric Helm

    • Price$4.99
    • Rating4.4
    • Reviews299

    View on Amazon · Full data on KDPTop

  4. Bromhead's War (Vietnam Ground Zero Military Thrillers Book 30) book cover by Eric Helm

    Bromhead's War (Vietnam Ground Zero Military Thrillers Book 30)

    by Eric Helm

    • Price$5.99
    • Rating4.5
    • Reviews384

    View on Amazon · Full data on KDPTop

  5. Expanding Crisis: WWIII is imminent... (The Global War Military Thriller Series Book 3) book cover by Eric Helm

    Expanding Crisis: WWIII is imminent... (The Global War Military Thriller Series Book 3)

    by Eric Helm

    • Price$4.99
    • Rating4.2
    • Reviews121
    • Published2026-08

    View on Amazon · Full data on KDPTop

  6. Border Winds: The world war has hit America... (The Global War Military Thriller Series Bo book cover by Eric Helm

    Border Winds: The world war has hit America... (The Global War Military Thriller Series Book 2)

    by Eric Helm

    • Price$4.99
    • Rating4.4
    • Reviews178

    View on Amazon · Full data on KDPTop

  7. Sniper (Super Vietnam Ground Zero Thrillers Book 5) book cover by Eric Helm

    Sniper (Super Vietnam Ground Zero Thrillers Book 5)

    by Eric Helm

    • Price$0
    • Rating4.5
    • Reviews967
    • Published2021-12

    View on Amazon · Full data on KDPTop

  8. P.O.W.: The only way to survive is to escape... (Vietnam Ground Zero Military Thrillers Bo book cover by Eric Helm

    P.O.W.: The only way to survive is to escape... (Vietnam Ground Zero Military Thrillers Book 2)

    by Eric Helm

    • Price$0
    • Rating4.5
    • Reviews811
    • Published2020-12

    View on Amazon · Full data on KDPTop

  9. Recon (Vietnam Ground Zero Military Thrillers Book 27) book cover by Eric Helm

    Recon (Vietnam Ground Zero Military Thrillers Book 27)

    by Eric Helm

    • Price$0
    • Rating4.6
    • Reviews761

    View on Amazon · Full data on KDPTop

  10. Warrior (Vietnam Ground Zero Military Thrillers) book cover by Eric Helm

    Warrior (Vietnam Ground Zero Military Thrillers)

    by Eric Helm

    • Price$13.99
    • Rating4.4
    • Reviews521

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Eric Helm have on Amazon?

KDPTop tracks 13 of their books; 7 made an Amazon list in the last 30 days.

Which categories does Eric Helm publish in?

Their books chart most often in Alternative History, Alternate History, Mystery, Thriller & Suspense.

How does Eric Helm price their books?

The median price is $4.99; half of the books cost $4.99–$5.24.

Has Eric Helm released new books recently?

3 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.