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Police (Romance, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Police (Romance, Kindle eBooks), updated Nov 3, 2026: median price $4.99, median 1,168 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).

25Opportunity / 100
$4.99Median price
1,168Median reviews
Price range (middle 50%)$3.99 – $5.99
Average rating4.5
New releases (90 days)29%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 14% of the parent category Romance (8,220), one of the easier corners under it.
  • 29% of its best sellers came out in the last 90 days, more than in 94% of Kindle eBooks categories: readers here keep buying new titles.
  • Its review barrier is higher than in 89% of Kindle eBooks categories: the median best seller has 1,168 reviews, so new books need time to build up.

Top 10 Police best sellers

  1. People of Darkness: A Gripping Southwest Mystery Where a Navajo Detective Confronts a Ruth book cover by Tony Hillerman

    People of Darkness: A Gripping Southwest Mystery Where a Navajo Detective Confronts a Ruthless Assassin (Leaphorn, Chee & Manuelito Book 4)

    by Tony Hillerman

    • List rank#1
    • Price$1.99
    • Rating4.6
    • Reviews5,057

    View on Amazon · Full data on KDPTop

  2. Once Upon a Lie (The Protectors Book 2) book cover by Max Monroe

    Once Upon a Lie (The Protectors Book 2)

    by Max Monroe

    • List rank#2
    • Price$4.99
    • Rating4.4
    • Reviews838

    View on Amazon · Full data on KDPTop

  3. Jon and Seiji's Monstrously Macabre Predicament (Jon's Mysteries) book cover by AJ Sherwood

    Jon and Seiji's Monstrously Macabre Predicament (Jon's Mysteries)

    by AJ Sherwood

    • List rank#3
    • Price$3.99
    • Rating4.8
    • Reviews273

    View on Amazon · Full data on KDPTop

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

    Call Me Anytime (The Protectors Book 1)

    by Max Monroe

    • List rank#4
    • Price$3.99
    • Rating4.2
    • Reviews6,902

    View on Amazon · Full data on KDPTop

  5. What She Saw book cover by Mary Burton

    What She Saw

    by Mary Burton

    • List rank#5
    • Price$5.99
    • Rating4.3
    • Reviews47,142

    View on Amazon · Full data on KDPTop

  6. Lavender Hill (The Love Stone) book cover by Aurora Rose Reynolds

    Lavender Hill (The Love Stone)

    by Aurora Rose Reynolds

    • List rank#6
    • Price$4.99
    • Rating4.5
    • Reviews1,064

    View on Amazon · Full data on KDPTop

  7. Code of Silence (Guardian Security Dynasty Book 10) book cover by Kris Michaels

    Code of Silence (Guardian Security Dynasty Book 10)

    by Kris Michaels

    • List rank#7
    • Price$5.99
    • Rating4.8
    • Reviews1,077

    View on Amazon · Full data on KDPTop

  8. Venomous Games (The Venomous Series) book cover by T.L. Smith

    Venomous Games (The Venomous Series)

    by T.L. Smith

    • List rank#8
    • Price$4.99
    • Rating4.4
    • Reviews902

    View on Amazon · Full data on KDPTop

  9. The House Beyond the Dunes book cover by Mary Burton

    The House Beyond the Dunes

    by Mary Burton

    • List rank#9
    • Price$5.99
    • Rating4.3
    • Reviews17,180

    View on Amazon · Full data on KDPTop

  10. Another Girl Lost book cover by Mary Burton

    Another Girl Lost

    by Mary Burton

    • List rank#10
    • Price$5.99
    • Rating4.4
    • Reviews8,520

    View on Amazon · Full data on KDPTop

Same niche in Books: Police

FAQ

Is Police a good niche for Amazon KDP?

Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 1,168 reviews and sells for $4.99.

How many reviews do you need to rank in Police?

The median best seller has 1,168 reviews, and 14% of them have fewer than 100.

What do Police best sellers cost?

The median price is $4.99; half of the best sellers are priced between $3.99 and $5.99.

Can new books break into Police?

29% 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.