When the FBI is faced with its toughest riddles, it turns to Agent Elle Keen, a genius at cracking codes and using her skill to catch the most cunning serial killers.

When a new serial killer leaves behind a haunting music box after claiming each victim, FBI Agent Elle Keen must rely on her sharp instincts and sharper mind to decipher the cryptic melodies—before the next life is taken.

“The plot has many twists and turns, but it is the ending, which I did not see coming at all, that totally defines this book as one of the most riveting that I have read in years.”

—Reader review for Not Like Us

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IN THE DARK is BOOK #1 in a long-anticipated new series by #1 bestseller Ava Strong, whose bestseller NOT LIKE US (a free download) has received over 1,000 five star ratings and reviews.

An enthralling crime thriller with a captivating and complex female protagonist, Elle Keen is a riveting mystery series with non-stop action, suspense, and unexpected plot twists that are guaranteed to keep you on the edge of your seat well into the night. Fans of Robert Dugoni, Karin Slaughter, and Lisa Gardner are sure to fall in love.

Future books in the series are also available.

“This is a chilling, suspenseful page turner that just might leave you scared at night!”

—Reader review for Not Like Us

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“Very intriguing, kept me turning page after page… Lots of twists and turns and a very unexpected ending. Cannot wait for the next in this series!”

—Reader review for Not Like Us

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“A roller coaster ride of events… Can’t put down until you finish it!”

—Reader review for Not Like Us

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“Excellent read with very realistic characters that you become emotionally invested in… Couldn't put it down!”

—Reader review for The Death Code

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“An excellent read, lots of twists and turns, with a surprising ending, leaving you wanting to read the next book in the series! Well done!”

—Reader review for The Death Code

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“Well worth the read. Cannot wait to see what happens in the next book!”

—Reader review for The Death Code

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“Quickly became a story I couldn’t put down! I highly recommend this book!”