Fourth, Lust (An Alex Quinn Suspense Thriller—Book Four‪)‬

Interpol agent Alex Quinn, 29, born to Italian-Turkish parents, is a multi-lingual genius. With an advanced degree in Criminal Psychology from a university in France and a PHD from a Germany university, Alex was recruited by Interpol at the age of 25—their youngest recruit—because of her encyclopedic knowledge of serial killers. When a string of victims are found in ancient outdoor theaters in Greece, Alex is needed urgently to decode the killer’s cryptic signature—and save the next victim before it’s too late.


“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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FOURTH, LUST 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. 


With killers preying in high-trafficked historic sites, Interpol convenes a special task force to hunt them down before panic spreads—and finds no one better to head up this new force than Alex Quinn. 


Beautiful in an exotic way, with a mixture of her Mediterranean heritage, Alex, with her olive complexion and startling green eyes, bears a pencil thin scar along one hand from the palm to the tip of a finger—a scar that keeps her single-mindedly focused on avenging her parents.


Able to solve cases in record time, Alex has been all over Europe for nearly a decade. Yet one killer still eludes her.


The man who killed her parents.


The darkness of past propels her—yet it also threatens to swallow her whole…


A page-turning and harrowing crime thriller featuring a brilliant and tortured Interpol agent, the Alex Quinn series is a riveting mystery, a cat-and-mouse thriller packed with non-stop action, suspense, twists and turns, revelations, and driven by a breakneck pace that will keep you flipping pages late into the night. Fans of Rachel Caine, Teresa Driscoll and Robert Dugoni are sure to fall in love.


More books in the series are 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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