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Douglas E Richards: Amazon KDP author data

Douglas E Richards has 95 books on Amazon, 20 of them on a best-seller list in the last 30 days (best rank #1), mostly in Technothrillers, Aliens, First Contact.

95Books on Amazon
20Listed in 30 days
4.4Average rating
Median price$6.99
Price range (middle 50%)$3.37 – $12.50
Median reviews1,561
Total reviews267,117
New books (30 days)8
Breakout books (30 days)2

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What stands out

  • Median price $6.99, 46% below the median of their main category, Technothrillers.
  • 8 new books in the last 30 days, 2 of them broke into a Best Sellers list.

Douglas E Richards's best-ranked books

  1. Out of This World book cover by Douglas E Richards

    Out of This World

    by Douglas E Richards

    • Price$4.95
    • Rating4.2
    • Reviews760

    View on Amazon · Full data on KDPTop

  2. Beyond Belief: Jaw-Dropping Breakthroughs That Will Shatter Your View of the Mind and Real book cover by Douglas E Richards

    Beyond Belief: Jaw-Dropping Breakthroughs That Will Shatter Your View of the Mind and Reality

    by Douglas E Richards

    • Price$2.99
    • Rating5.0
    • Reviews16
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. Frequency: Hard Science Fiction book cover by Douglas E Richards

    Frequency: Hard Science Fiction

    by Douglas E Richards

    • Price$6.99
    • Rating4.6
    • Reviews2,873

    View on Amazon · Full data on KDPTop

  4. Trapped (The Prometheus Project Book 1) book cover by Douglas E Richards

    Trapped (The Prometheus Project Book 1)

    by Douglas E Richards

    • Price$0.99
    • Rating4.4
    • Reviews2,022

    View on Amazon · Full data on KDPTop

  5. Nexus: A Science-Fiction Thriller book cover by Douglas E Richards

    Nexus: A Science-Fiction Thriller

    by Douglas E Richards

    • Price$6.99
    • Rating4.3
    • Reviews3,121

    View on Amazon · Full data on KDPTop

  6. Echoes of Time: A Science-Fiction Thriller (Epic of Atlantis Book 1) book cover by Douglas E Richards

    Echoes of Time: A Science-Fiction Thriller (Epic of Atlantis Book 1)

    by Douglas E Richards

    • Price$0.99
    • Rating4.4
    • Reviews2,045

    View on Amazon · Full data on KDPTop

  7. Frequency 2 book cover by Douglas E Richards

    Frequency 2

    by Douglas E Richards

    • Price$6.99
    • Rating4.6
    • Reviews1,926

    View on Amazon · Full data on KDPTop

  8. Captured (The Prometheus Project Book 2) book cover by Douglas E Richards

    Captured (The Prometheus Project Book 2)

    by Douglas E Richards

    • Price$4.95
    • Rating4.5
    • Reviews1,004

    View on Amazon · Full data on KDPTop

  9. Stranded (The Prometheus Project Book 3) book cover by Douglas E Richards

    Stranded (The Prometheus Project Book 3)

    by Douglas E Richards

    • Price$4.95
    • Rating4.5
    • Reviews1,267

    View on Amazon · Full data on KDPTop

  10. Nexus book cover by Douglas E Richards

    Nexus

    by Douglas E Richards

    • Price$16.05
    • Rating4.3
    • Reviews3,121
    • Published2026-06

    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.