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A.G. Riddle: Amazon KDP author data

A.G. Riddle has 24 books on Amazon, 16 of them on a best-seller list in the last 30 days (best rank #4), mostly in Technothrillers, International Mystery & Crime, Hard Science Fiction.

24Books on Amazon
16Listed in 30 days
4.3Average rating
Median price$7.99
Price range (middle 50%)$5.49 – $13.03
Median reviews21,276
Total reviews509,544
New books (30 days)1
Breakout books (30 days)0

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What stands out

  • 67% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $7.99, 33% above the median of their main category, Technothrillers.

A.G. Riddle's best-ranked books

  1. Lost in Time book cover by A.G. Riddle

    Lost in Time

    by A.G. Riddle

    • Price$12.99
    • Rating4.4
    • Reviews26,483
    • Published2022-09

    View on Amazon · Full data on KDPTop

  2. Winter World (The Long Winter Trilogy Book 1) book cover by A.G. Riddle

    Winter World (The Long Winter Trilogy Book 1)

    by A.G. Riddle

    • Price$5.99
    • Rating4.5
    • Reviews32,444
    • Published2019-02

    View on Amazon · Full data on KDPTop

  3. Labyrinth book cover by A.G. Riddle

    Labyrinth

    by A.G. Riddle

    • Price$13.16
    • Rating4.3
    • Reviews3,677

    View on Amazon · Full data on KDPTop

  4. Antarctica Station: A Thriller book cover by A.G. Riddle

    Antarctica Station: A Thriller

    by A.G. Riddle

    • Price$7.99
    • Rating4.2
    • Reviews13,977

    View on Amazon · Full data on KDPTop

  5. Pandemic (The Extinction Files Book 1) book cover by A.G. Riddle

    Pandemic (The Extinction Files Book 1)

    by A.G. Riddle

    • Price$5.99
    • Rating4.3
    • Reviews25,368

    View on Amazon · Full data on KDPTop

  6. The Atlantis Gene: A Thriller (The Origin Mystery, Book 1) book cover by A.G. Riddle

    The Atlantis Gene: A Thriller (The Origin Mystery, Book 1)

    by A.G. Riddle

    • Price$5.99
    • Rating4.1
    • Reviews55,221

    View on Amazon · Full data on KDPTop

  7. Quantum Radio book cover by A.G. Riddle

    Quantum Radio

    by A.G. Riddle

    • Price$12.99
    • Rating4.3
    • Reviews17,261

    View on Amazon · Full data on KDPTop

  8. The Solar War (The Long Winter Trilogy Book 2) book cover by A.G. Riddle

    The Solar War (The Long Winter Trilogy Book 2)

    by A.G. Riddle

    • Price$7.99
    • Rating4.5
    • Reviews21,277
    • Published2019-06

    View on Amazon · Full data on KDPTop

  9. The Extinction Trials book cover by A.G. Riddle

    The Extinction Trials

    by A.G. Riddle

    • Price$7.99
    • Rating4.2
    • Reviews20,293

    View on Amazon · Full data on KDPTop

  10. The Lost Colony (The Long Winter Trilogy Book 3) book cover by A.G. Riddle

    The Lost Colony (The Long Winter Trilogy Book 3)

    by A.G. Riddle

    • Price$7.99
    • Rating4.4
    • Reviews24,553

    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.