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Amateur Sleuths: Amazon KDP category data

Amazon Books Best Sellers data for Amateur Sleuths, updated Nov 3, 2026: median price $5.99, median 2,660 reviews, average rating 4.4 and a KDPTop opportunity score of 26/100 (highly competitive).

26Opportunity / 100
$5.99Median price
2,660Median reviews
Price range (middle 50%)$3.74 – $12.99
Average rating4.4
New releases (90 days)39%
Books on the list100
StoreBooks

What stands out

  • 39% of its best sellers came out in the last 90 days, more than in 99% of Books categories: readers here keep buying new titles.
  • Its review barrier is higher than in 94% of Books categories: the median best seller has 2,660 reviews, so new books need time to build up.
  • Its median reviews are 23% of the parent category Mystery (11,546), one of the easier corners under it.

Top 10 Amateur Sleuths best sellers

  1. The Castle in the Glen: A Novel book cover by Rhys Bowen

    The Castle in the Glen: A Novel

    by Rhys Bowen

    • List rank#1
    • Price$2.99
    • Rating4.6
    • Reviews13,964

    View on Amazon · Full data on KDPTop

  2. Split Second: Thirty-Two Switcheroo (Stephanie Plum) book cover by Janet Evanovich

    Split Second: Thirty-Two Switcheroo (Stephanie Plum)

    by Janet Evanovich

    • List rank#2
    • Price$19.50
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Murder at the Grand Alpine Hotel: The New Miss Marple Mystery book cover by Lucy Foley

    Murder at the Grand Alpine Hotel: The New Miss Marple Mystery

    by Lucy Foley

    • List rank#3
    • Price$22.79
    • Rating4.2
    • Reviews2,979

    View on Amazon · Full data on KDPTop

  4. The 6:20 Man: A Thriller book cover by David Baldacci

    The 6:20 Man: A Thriller

    by David Baldacci

    • List rank#4
    • Price$11.99
    • Rating4.4
    • Reviews87,733

    View on Amazon · Full data on KDPTop

  5. The Retired Assassin's Guide to Amateur Theatrics: New Zealand Cozy Mystery book cover by Naomi Kuttner

    The Retired Assassin's Guide to Amateur Theatrics: New Zealand Cozy Mystery

    by Naomi Kuttner

    • List rank#5
    • Price$4.99
    • Rating4.7
    • Reviews1,195

    View on Amazon · Full data on KDPTop

  6. We Chase Shadows: A We Solve Murders Mystery book cover by Richard Osman

    We Chase Shadows: A We Solve Murders Mystery

    by Richard Osman

    • List rank#6
    • Price$16.95
    • Rating4.4
    • Reviews11,020

    View on Amazon · Full data on KDPTop

  7. The Night of the Crash: An absolutely gripping thriller with an ending that will take your book cover by Jessica Irena Smith

    The Night of the Crash: An absolutely gripping thriller with an ending that will take your breath away

    by Jessica Irena Smith

    • List rank#7
    • Price$0.99
    • Rating4.2
    • Reviews13,366

    View on Amazon · Full data on KDPTop

  8. Pretty Girls: A Psychological Thriller Novel Exploring Secrets and Lies Among Sisters book cover by Karin Slaughter

    Pretty Girls: A Psychological Thriller Novel Exploring Secrets and Lies Among Sisters

    by Karin Slaughter

    • List rank#8
    • Price$9.33
    • Rating4.2
    • Reviews168,983

    View on Amazon · Full data on KDPTop

  9. Call Me Anytime (The Protectors Book 1) book cover by Max Monroe

    Call Me Anytime (The Protectors Book 1)

    by Max Monroe

    • List rank#9
    • Price$3.99
    • Rating4.2
    • Reviews6,902

    View on Amazon · Full data on KDPTop

  10. The Thursday Murder Club: A Novel book cover by Richard Osman

    The Thursday Murder Club: A Novel

    by Richard Osman

    • List rank#10
    • Price$17.69
    • Rating4.3
    • Reviews185,400

    View on Amazon · Full data on KDPTop

Same niche in Kindle eBooks: Amateur Sleuth

FAQ

Is Amateur Sleuths a good niche for Amazon KDP?

Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 2,660 reviews and sells for $5.99.

How many reviews do you need to rank in Amateur Sleuths?

The median best seller has 2,660 reviews, and 20% of them have fewer than 100.

What do Amateur Sleuths best sellers cost?

The median price is $5.99; half of the best sellers are priced between $3.74 and $12.99.

Can new books break into Amateur Sleuths?

39% of the current best sellers were released in the last 90 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.