book cover of Rising Abyss
 

Rising Abyss

(2025)
(The third book in the Cassandra Fierce series)
A novel by

 
 
“Molly Black has written a taut thriller that will keep you on the edge of your seat… I absolutely loved this book and can’t wait to read the next book in the series!”
—Reader review for Girl One: Murder
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As a vengeful predator turns North Carolina lighthouses into murder scenes, Coast Guard Investigator Cassandra Fierce races against the tide to solve a mystery where past and present collide. Can she decipher the clues hidden in centuries of lore before the killer strikes again?

“I binge read this book. It hooked me in and didn't stop till the last few pages… I look forward to reading more!”
—Reader review for Found You
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RISING ABYSS is book #3 in a long anticipated new series by critically-acclaimed and #1 bestselling mystery and suspense author Molly Black, whose books have received over 2,000 five-star reviews and ratings. The series begins with RISING TIDE (Book #1).

The Cassandra Fierce series delivers a pulse-pounding suspenseful thriller led by a complex and talented heroine. This gripping mystery series combines non-stop action with nail-biting tension, offering readers a roller coaster of shocking revelations and unforeseen turns. With its breakneck pace and addictive storytelling, these psychological thrillers are guaranteed to keep you engrossed until the wee hours. For fans of crime fiction writers such as Lee Child, Teresa Driscoll, and Rachel Caine, the Cassandra Fierce series is a must-read.

Future books in the series are now available!

“I loved this book! Fast-paced plot, great characters and interesting insights into investigating cold cases. I can't wait to read the next book!”
—Reader review for Girl One: Murder
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“Very good book… You will feel like you are right there looking for the kidnapper! I know I will be reading more in this series!”
—Reader review for Girl One: Murder
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“This is a very well written book and holds your interest from page 1… Definitely looking forward to reading the next one in the series, and hopefully others as well!”
—Reader review for Girl One: Murder
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“Wow, I cannot wait for the next in this series. Starts with a bang and just keeps going.”
—Reader review for Girl One: Murder
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“Well written book with a great plot, one that will keep you up at night. A page turner!”
—Reader review for Girl One: Murder
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“A great suspense that keeps you reading… can't wait for the next in this series!”
—Reader review for Found You
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“Sooo soo good! There are a few unforeseen twists… I binge read this like I binge watch Netflix. It just sucks you in.”
—Reader review for Found You
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Genre: Mystery

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