Dead Already: A medical conspiracy thriller (Dr. Zack Winston Book 1)

Name: Dead Already: A medical conspiracy thriller (Dr. Zack Winston Book 1)
Price: 0.99 USD
Availability: InStock
Rating: 4.5 (2507 reviews)
Author: Mike Krentz

by Mike Krentz

Mystery Thriller Thriller

4.5 (2,507)

4.5 stars from 2,507 reviews. Top 75% of Mystery Thriller books we track.

$0.99KU83% off peak

Last checked: Jun 2, 2026

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Price history: $0.99 – $5.99

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Price range: $0.99 – $5.99

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Perfect for you if...

You're drawn to procedural thrillers with insider expertise, where the technical details feel authentic because the author actually knows the world.
You enjoy protagonists who are flawed and haunted but still fighting to do right, even when the system turns against them.
You want fast-paced page-turners that don't sacrifice character depth for plot momentum.

Maybe not for you if...

You prefer your thrillers stripped down to pure action, without time spent exploring the emotional weight of medical decisions.
You're looking for a standalone, since this is book one of a series and ends with threads left hanging.
You avoid books with courtroom scenes or legal procedural elements that slow down the action.

About this book

Zack Winston, a former Navy surgeon and widowed emergency room doctor, is haunted by patients he failed to save. When he cannot resuscitate his coworker's husband during cardiac arrest, an ICU nurse files a malpractice suit that threatens his career. While investigating a suspicious poisoning at the hospital, Zack faces intense scrutiny and is forced to confront his traumatic past during courtroom depositions. As he and his lawyer examine a rising body count at the hospital, they uncover evidence of a drug-laced conspiracy. Their investigation puts both of them in danger from those determined to have Zack fired and discredited. Dead Already is the first book in the Dr. Zack Winston series of medical thrillers.

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Price History

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

$0.99 – $5.99

Currently on sale at $0.99 — 83% off peak. Price has dropped 6 times over the last 2 years. Goes on sale roughly every 92 days. Typically stays discounted for 100 days.

Sales Rank

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

Currently around #10K in the Kindle store — a steady mid-list seller.

Rating & Reviews

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

Currently 4.5★ from 2,507 reviews

Gaining approximately 74 new reviews per month. Steady word of mouth growth. Rating has remained stable at 4.5 over the tracking period.

Sale Prediction

Actual Predicted

This book is currently discounted at $0.99. It typically returns to around $5.99.

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.