The Third to Die: A Novel – A Gripping FBI and Police Procedural Thriller of Secrets and Murder (A Quinn & Costa Thriller Book 1)

The Third to Die: A Novel – A Gripping FBI and Police Procedural Thriller of Secrets and Murder (A Quinn & Costa Thriller Book 1)

by Allison Brennan

4.6 (5,125)

4.6 stars from 5,125 reviews. One of the highest rated Mystery Thriller books we track.


$2.99KU79% off peak

Last checked: Jun 24, 2026

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Fans of these authors will like this...

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Perfect for you if...

  • You love procedural thrillers with sharp, capable protagonists who clash and build chemistry under pressure.
  • You're drawn to serial killer hunts with a genuine puzzle element—not just gore, but a killer's twisted logic you need to decode.
  • You want the first book in a series with characters you'll actually want to follow across multiple investigations.

Maybe not for you if...

  • You prefer your thrillers light on procedure and heavy on action—this one spends time on the investigative groundwork.
  • You need your heroines to be perfectly likeable from page one; Quinn is edgy and makes complicated choices.
  • You're put off by serial killer content or graphic violence, even when it serves the plot.

About this book

Detective Kara Quinn discovers the body of a young nurse during an early morning jog in Liberty Lake. The manner of death suggests a highly controlled rage. FBI special agent Matt Costa recognizes the murder as matching the profile of the Triple Killer, an elusive serial murderer who strikes every three years, targeting three victims spaced three days apart. This case offers a rare opportunity to stop him—but only if Quinn and Costa can decode his pattern to identify him and locate him before he kills again. As the investigation unfolds, the bond between the detective and agent deepens under pressure. The stakes intensify when the possibility emerges that one of their own team could become the killer's next victim.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$7.00$13.99Mar '20Dec '22Sep '23Feb '26
$1.99$13.99

Currently on sale at $2.99 — 79% off peak. Price has dropped 14 times over the last 6 years. Goes on sale roughly every 169 days. Typically stays discounted for 34 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#2,924#49,514#96,103Jun '19Sep '22Feb '24May '26

Currently around #16K in the Kindle store — a steady mid-list seller. Climbing the charts — 27% improvement recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

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4.0★4.5★5.0★May '23Jan '24Aug '24May '26RatingReviews

Currently 4.6★ from 5,125 reviews

Gaining approximately 47 new reviews per month. Steady word of mouth growth. Rating has remained stable at 4.6 over the tracking period.

Sale Prediction

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Free$7.00$13.99Mar '20Dec '22Sep '23Feb '26PredictedJun '26

Actual Predicted

This book is currently discounted at $2.99. It typically returns to around $13.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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Allison Brennan

1 book on Vagrant Press

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