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When lab researchers and scientists are discovered murdered, Morgan Stark, brilliant doctor-turned FBI agent, is summoned to decode the medical clues. What is the connection between these people? And who is next?

Morgan Stark is a renowned surgeon, acclaimed by his colleagues for his brilliance as a diagnostician. But when his close friend and protégé resident is murdered, Morgan feels compelled to help the FBI decipher the trail of medical clues and bring the killer to justice.

FBI Special Agent Danielle Hernandez, 28, a rising star in the BAU, equally esteemed by her colleagues for her brilliance and determination, is not used to turning to a doctor for help in solving crimes. This unlikely partnership, though, may just surprise them both.

A cat-and-mouse thriller with harrowing twists and turns and filled with heart-pounding suspense, the MORGAN STARK mystery series offers a fresh twist on the genre as it introduces two brilliant protagonists who will make you fall in love and keep you turning pages late into the night.

195 pages, Kindle Edition

First published May 30, 2023

80 people are currently reading
185 people want to read

About the author

Rylie Dark

307 books260 followers
Rylie Dark is author of the SADIE PRICE FBI SUSPENSE THRILLER series, comprising six books (and counting); of the CARLY SEE FBI SUSPENSE THRILLER series, comprising six books (and counting); of the MIA NORTH FBI SUSPENSE THRILLER series, comprising six books (and counting); of the MORGAN STARK FBI SUSPENSE THRILLER series, comprising five books (and counting); of the HAILEY ROCK FBI SUSPENSE THRILLER series, comprising five books (and counting),of the TARA STRONG MYSTERY series, comprising five books (and counting); and of the ALEX QUINN SUSPENSE THRILLER series, comprising five books (and counting).

Rylie loves to hear from you, so please feel free to visit www.ryliedark.com to receive free ebooks, hear the latest news, and stay in touch.

BOOKS BY RYLIE DARK

ALEX QUINN SUSPENSE THRILLER

FIRST, MURDER (Book #1)

SECOND, DEATH (Book #2)

THIRD, ENVY (Book #3)

FOURTH, LUST (Book #4)

FIFTH, WRATH (Book #5)

HAILEY ROCK FBI SUSPENSE THRILLER

BEHIND YOU (Book #1)

BESIDE YOU (Book #2)

AFTER YOU (Book #3)

WATCHING YOU (Book #4)

JUDGING YOU (Book #5)

TARA STRONG MYSTERY

GIRL WITHOUT A CHANCE (Book #1)

GIRL WITHOUT A HOME (Book #2)

GIRL WITHOUT A TRACE (Book #3)

GIRL WITHOUT A NAME (Book #4)

GIRL WITHOUT A PRAYER (Book #5)

SADIE PRICE FBI SUSPENSE THRILLER

ONLY MURDER (Book #1)

ONLY RAGE (Book #2)

ONLY HIS (Book #3)

ONLY ONCE (Book #4)

ONLY SPITE (Book #5)

ONLY MADNESS (Book #6)

MIA NORTH FBI SUSPENSE THRILLER

SEE HER RUN (Book #1)

SEE HER HIDE (Book #2)

SEE HER SCREAM (Book #3)

SEE HER VANISH (Book #4)

SEE HER GONE (Book #5)

SEE HER DEAD (Book #6)

CARLY SEE FBI SUSPENSE THRILLER

NO WAY OUT (Book #1)

NO WAY BACK (Book #2)

NO WAY HOME (Book #3)

NO WAY LEFT (Book #4)

NO WAY UP (Book #5)

NO WAY TO DIE (Book #6)

MORGAN STARK FBI SUSPENSE THRILLER

TOO LATE (Book #1)

TOO CLOSE (Book #2)

TOO FAR GONE (Book #3)

TOO LOST (Book #4)

TOO BROKEN (Book #5)

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5 stars
103 (38%)
4 stars
108 (40%)
3 stars
53 (19%)
2 stars
1 (<1%)
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1 (<1%)
Displaying 1 - 9 of 9 reviews
Profile Image for Cindy B. .
3,899 reviews220 followers
June 9, 2023
Characters are a little more upbeat than in the 1st in series, pleasant thing. Liked the writing better this time, as well. Narrator is clear and does well. .
1,214 reviews3 followers
May 19, 2023
A bit dull for my taste
21 reviews
July 30, 2025
Science versus morality

In chapter five, the antagonist reflects on civilization and scientific advances versus natural selection when he says, "Lost through letting science outpace morality. Lost through a search for prolonging life at any cost with no thought to what it was doing to the planet or to the quality of life that they were prolonging. There weren’t enough resources. Even if there were enough, the things we had enough of weren’t evenly distributed. Food. Fuel. Clean water." I can empathize with this view point. Healthcare costs have skyrocketed, spent on the maintenance of chronically ill, non productive individuals, leaving healthier individuals with less resources and means to improve quality, productive lives. Globally, populations are getting sicker, using up precious resources that will eventually run out.
Profile Image for Claudete Takahashi.
2,644 reviews38 followers
March 11, 2023
Although Morgan is at Quantico working to become an FBI agent Danielle requests his help to investigate the murder of a scientist, and soon after another victim is found, and a few days another one. There is nothing to link all the victims that makes sense and all the fresh looks that Morgans brings to the case reveal little until they find a lead that could cost them their lives as the culprit is totally deranged. Great story and plot, and it seems like Morgan has no regrets regarding the choice he made.
I thank the author for this ARC.
1,654 reviews1 follower
June 25, 2024
This is a different take on FBI murder mysteries in that a medical doctor is acting as a consultant while working toward becoming an FBI agent. The medical clues tied with standard forensics make for interesting solutions in the apprehension of the killers. The books are well written and flow so much so that they are hard to put down.
Profile Image for Sydney Berger.
198 reviews1 follower
February 5, 2024
Pretty good I liked the other ones better tho I’m very curious how it’s going to end I’m on the edge of my seat kinda. I almost don’t want it to be over, I did really end up liking these books even tho they aren’t necessarily my genre.
Profile Image for Deedra Dail-whitley.
120 reviews
June 14, 2025
I Love Dr Morgan Stark!!!

What an interesting twist MS Dark has thrown us into with Dr. Stark as an FBI consultant & now he's training to be an actual agent, and working alongside Special Agent Danielle Hernandez solving cases that have a medical twist!! These books are amazing!! MS Dark is an amazing writer!! She continues to pound out thrillers that keep me engaged & on the edge of my seat & reading way later than I should!!! Read. These. Books.
Profile Image for Tracy Bailey.
479 reviews
May 9, 2024
I like this series. In future installments, I hope the author changes the plot, so far it's the same thing: 3 victims, medical connection, rush in when the killer is about to kill his next victim.
Displaying 1 - 9 of 9 reviews

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