The Cipher (Nina Guerrera Book 1)

The Cipher (Nina Guerrera Book 1)

Wall Street Journal Bestseller

To a cunning serial killer, she was the one that got away. Until now…

FBI Special Agent Nina Guerrera escaped a serial killer’s trap at sixteen. Years later, when she’s jumped in a Virginia park, a video of the attack goes viral. Legions of new fans are not the only ones impressed with her fighting skills. The man who abducted her eleven years ago is watching. Determined to reclaim his lost prize, he commits a grisly murder designed to pull her into the investigation…but his games are just beginning. And he’s using the internet to invite the public to play along.

His coded riddles may have made him a depraved social media superstar—an enigmatic cyber-ghost dubbed “the Cipher”—but to Nina he’s a monster who preys on the vulnerable. Partnered with the FBI’s preeminent mind hunter, Dr. Jeffrey Wade, who is haunted by his own past, Nina tracks the predator across the country. Clue by clue, victim by victim, Nina races to stop a deadly killer while the world watches.

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About the Book
The survivor of a vicious crime confronts her fears in a hunt for a serial killer…forensic analysis, violent action, and a tough heroine who stands up to the last man on earth she wants to see again.
– Kirkus Reviews
[In] this riveting series launch from Maldonado…the frequent plot twists will keep readers guessing to the end, and Maldonado draws on her 22 years in law enforcement to add realism. Determined to overcome her painful past, the admirable Nina has enough depth to sustain a long-running series.
– Publishers Weekly
The Cipher by Isabella Maldonado is a nail-biting race against time.
– POPSUGAR
Maldonado does a superb job of depicting a woman who’s made a strength out of trauma, and an even better job at showing how a monster could use the internet to prey on the vulnerable. Maldonado spent 22 years in law enforcement and her experience shines through in The Cipher.
– The Amazon Book Review
A heart-pounding novel from page one, The Cipher checks all the boxes for a top-notch thriller: sharp plotting, big stakes, and characters—good and bad and everywhere in between—that are so richly drawn you’ll swear you’ve met them. I read this in one sitting and I guarantee you will too. Oh, another promise: You’ll absolutely love the Warrior Girl!
– Jeffery Deaver
Wow! A riveting tale in the hands of a superb storyteller.
– J.A. Jance
Intense, harrowing, and instantly addictive, The Cipher took my breath away. Isabella Maldonado has created an unforgettable heroine in Nina Guerrera, a dedicated FBI agent and trauma survivor with unique insight into the mind of a predator. This riveting story is everything a thriller should be.
– Hilary Davidson
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