KDP categories · Top KDP authors

Series: Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Series, updated Nov 2, 2026: median price $4.99, median 2,532 reviews, average rating 4.5 and a KDPTop opportunity score of 23/100 (highly competitive).

23Opportunity / 100
$4.99Median price
2,532Median reviews
Price range (middle 50%)$4.99 – $5.99
Average rating4.5
New releases (90 days)27%
Books on the list100
StoreKindle eBooks

What stands out

  • Its review barrier is higher than in 95% of Kindle eBooks categories: the median best seller has 2,532 reviews, so new books need time to build up.
  • 27% of its best sellers came out in the last 90 days, more than in 93% of Kindle eBooks categories: readers here keep buying new titles.
  • At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.

Top 10 Series best sellers

  1. House of Peril: A Bow Street Duchess Mystery (Bow Street Duchess Mystery Series Book 8) book cover by Cara Devlin

    House of Peril: A Bow Street Duchess Mystery (Bow Street Duchess Mystery Series Book 8)

    by Cara Devlin

    • List rank#1
    • Price$5.99
    • Rating4.6
    • Reviews372

    View on Amazon · Full data on KDPTop

  2. Into the Cold: Ellie Kline Locke Files (Ellie Kline Mystery Series Book 16) book cover by Mary Stone

    Into the Cold: Ellie Kline Locke Files (Ellie Kline Mystery Series Book 16)

    by Mary Stone

    • List rank#2
    • Price$4.99
    • Rating4.7
    • Reviews629

    View on Amazon · Full data on KDPTop

  3. Crimson Thaw (Detective Justice Book 1) book cover by Bruce Robert Coffin

    Crimson Thaw (Detective Justice Book 1)

    by Bruce Robert Coffin

    • List rank#3
    • Price$4.99
    • Rating4.4
    • Reviews1,772

    View on Amazon · Full data on KDPTop

  4. The Wedding Eve Murders: A Homefront Sleuths Mystery (The Homefront Sleuths Cozy Mystery S book cover by Anna Elliott

    The Wedding Eve Murders: A Homefront Sleuths Mystery (The Homefront Sleuths Cozy Mystery Series Book 12)

    by Anna Elliott

    • List rank#4
    • Price$4.99
    • Rating4.8
    • Reviews974

    View on Amazon · Full data on KDPTop

  5. The Bones at Point No Point (A Thomas Austin Crime Thriller Book 1) book cover by D.D. Black

    The Bones at Point No Point (A Thomas Austin Crime Thriller Book 1)

    by D.D. Black

    • List rank#5
    • Price$5.99
    • Rating4.4
    • Reviews22,905

    View on Amazon · Full data on KDPTop

  6. The Silence of the Slasher: A 1920s Cozy Mystery (Lady Ellen Investigates Book 10) book cover by Kelly Mason

    The Silence of the Slasher: A 1920s Cozy Mystery (Lady Ellen Investigates Book 10)

    by Kelly Mason

    • List rank#6
    • Price$4.99
    • Rating4.8
    • Reviews16

    View on Amazon · Full data on KDPTop

  7. The Blackout Murders: A Homefront Sleuths Mystery (The Homefront Sleuths Cozy Mystery Seri book cover by Anna Elliott

    The Blackout Murders: A Homefront Sleuths Mystery (The Homefront Sleuths Cozy Mystery Series Book 1)

    by Anna Elliott

    • List rank#7
    • Price$2.99
    • Rating4.4
    • Reviews4,979

    View on Amazon · Full data on KDPTop

  8. A Killer's Truth: An FBI Thriller (Jo Pullinger Book 14) book cover by Thomas Fincham

    A Killer's Truth: An FBI Thriller (Jo Pullinger Book 14)

    by Thomas Fincham

    • List rank#8
    • Price$4.99
    • Rating4.4
    • Reviews64

    View on Amazon · Full data on KDPTop

  9. Cold As The Grave (A Sheriff Ray Duke Small Town Mystery Book 1) book cover by Kelly Cross

    Cold As The Grave (A Sheriff Ray Duke Small Town Mystery Book 1)

    by Kelly Cross

    • List rank#9
    • Price$0.99
    • Rating4.5
    • Reviews2,224

    View on Amazon · Full data on KDPTop

  10. Fountain Murder Beyond the Castle: A Kitty McCray Cozy Mystery book cover by Avery Kent

    Fountain Murder Beyond the Castle: A Kitty McCray Cozy Mystery

    by Avery Kent

    • List rank#10
    • Price$0.99
    • Rating4.9
    • Reviews31

    View on Amazon · Full data on KDPTop

FAQ

Is Series a good niche for Amazon KDP?

Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 2,532 reviews and sells for $4.99.

How many reviews do you need to rank in Series?

The median best seller has 2,532 reviews, and 10% of them have fewer than 100.

What do Series best sellers cost?

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

Can new books break into Series?

27% 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.