A secret from the past holds the key to saving the future.

Calla Cress, the government's top code breaker, thought she had taken down the world's most dangerous man. But when she made the mistake of letting him live, she never could have imagined the chaos that would follow. The billionaire criminal mastermind, locked away in a high-security prison, has begun luring the globe's smartest minds into his cell, where they emerge in comas and his lethal hacks infiltrate government systems around the world.

As a museum curator turned undercover cyber-security agent, Calla finds herself at the center of a dangerous game. She is harboring a secret, hidden in the depths of technology history, that could change the course of civilization. When an explosion rocks her Colorado hideout, Calla wakes up on the other side of the world, captive to a powerful organization that demands she produce the whereabouts of a missing MI6 agent who holds the key to stopping the billionaire's hacks. But there's a problem - Calla has never even met the agent, who has been missing for 30 years.

With only a handful of clues left in a mysterious sixteenth-century anagram encrypted with a sequence of codes, Calla, NSA security advisor Nash Shields, and tech entrepreneur Jack Kleve must follow a trail that will take them on a heart-pounding race across the globe. As they unravel the clues, they realize that the key to stopping the billionaire's reign of terror comes at an astonishing price.

Calla must confront her own past and the limits of human intelligence as she battles to outsmart a mastermind who has harnessed the power of technology to reshape the world. This fast-paced thriller, filled with government secrets, world history, and computer fraud, will leave you wondering if technology has progressed beyond our own capabilities, forever altering humanity.

Uncover a world of espionage and danger in this must-read thriller that fans of Jason Bourne, Steve Berry, Ernest Dempsey, and Scott Mariani will love.

What readers are saying about The Decrypter Series and Calla Cress:

★★★★★ "Gripping read!"

★★★★★ "Absolutely brilliant storyline. After reading book one I just had to get into book two."

★★★★★"Takes you on a ride and refuses to let you off until you reach the very end."

★★★★★"A brilliant read! I recommend this to anyone who enjoys mystery, suspense, thrillers or action novels. The detail is astounding! The historic references, location descriptions, references to technology, cryptography....this author really knows her stuff."

★★★★★"An action-packed adventure, techno thriller across several continents like a Jason Bourne or James Bond movie, but with an actual storyline!"

★★★★★"Brilliantly written. I loved the very descriptive side, which was a good way of visualizing and getting to terms with each new place, as the action takes place in several different countries."

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