Too Lost (A Morgan Stark FBI Suspense Thriller—Book 4‪)‬

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?


“A brilliant book. I couldn’t put it down and I never guessed who the murderer was!”

—Reader review for Only Murder

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TOO LOST is book #4 in a new series by #1 bestselling and critically acclaimed mystery and suspense author Rylie Dark, whose books have received over 2,000 five-star reviews and ratings. The series begins with TOO LATE (book #1), a free download.


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.


Book #5—TOO BROKEN—is also available.


“I loved this thriller, read it in one sitting. Lots of twists and turns and I didn’t guess the

culprit at all… Already pre-ordered the second!”

—Reader review for Only Murder

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“This book takes off with a bang… An excellent read, and I'm looking forward to the next book!”

—Reader review for SEE HER RUN

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“Fantastic book! It was hard to put down. I can’t wait to see what happens next!”

—Reader review for SEE HER RUN

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“The twists and turns kept coming. Can't wait to read the next book!”

—Reader review for SEE HER RUN

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“A must-read if you enjoy action-packed stories with good plots!”

—Reader review for SEE HER RUN

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“I really like this author and this series starts with a bang. It will keep you turning the pages till the end of the book and wanting more.”

—Reader review for SEE HER RUN

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“I can't say enough about this author! How about ‘out of this world’! This author is going to go far!”

—Reader review for ONLY MURDER

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“I really enjoyed this book… The characters were alive, and the twists and turns were great. It will keep you reading till the end and leave you wanting more.”

—Reader review for NO WAY OUT

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“This is an author that I highly recommend. Her books will have you begging for more.”

—Reader review for NO WAY OUT

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