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Digital immortality is possible. She knows why it's forbidden.

When brilliant cryptographer and ISTF agent Calla Cress identifies an ancient pattern hidden in Tibetan manuscripts, she unwittingly becomes the key to unlocking humanity's most dangerous discovery: digital immortality.

A secretive scientific coalition led by billionaire tech visionary Tashi Montaigne claims to have perfected the "Eternity Hypothesis" – a revolutionary formula merging quantum computing with ancient consciousness transfer rituals. As the world's elite scramble to control this technology, Calla recognizes something the scientists missed – these aren't just mathematical formulas, but warnings.

From the windswept monasteries of Tibet to the shadowy tombs of Egypt and the mysterious monoliths of Easter Island, Calla and her team, including operative husband Nash Shields and tech genius Jack Kleve, race to decode a global network of consciousness that has been protected by guardians for millennia.

But they aren't alone in this pursuit. Mason Laskfell, a figure Calla believed defeated, manipulates events from the digital shadows, seeking not just immortality but dominion over whose consciousness survives—and whose doesn't.

As quantum disturbances threaten the very fabric of human consciousness worldwide, Calla must confront the ultimate question: Was death designed as our enemy, or our protector?

In this high-stakes international thriller spanning ancient wisdom and bleeding-edge technology, New York Times bestselling author [Author Name] delivers a pulse-pounding adventure that will change how you think about life, death, and what might lie beyond. For fans of James Rollins, Matthew Reilly, and Daniel Silva who crave thought-provoking action that pushes the boundaries of reality.

Immortality was never the gift they promised. It was the trap.

The Calla Cress Decrypter Thriller Series Reading Order 

Book 1: Secret of the Lost Manuscript

Book 2: The Mind Hacker

Book 3: Digital Eyes Only

Book 4: The Storm's Eye

Book 5: The Pythagoras Clause

Book 6: The Beale Ciphers

Book 7: Atlantis of the Sands

Book 8: Kingdom of Diamonds

Book 9: The Falcon Syndrome

Book 10: The Queen of Sheba

Book 11: The Calculus Warning

Book 12: The Cobra Paradox

Book 13: The Room Of Martyrs

Book 14: The Eiger Mosaic

Book 15: Enemy of Wolves

Book 16: The Pharaoh's Mask

Book 17: The Eternity Hypothesis

Book 18: The Sculptor's Code

Find the Full series here.

Click here for the full reading guide.

Find the Full Series here.
Click here for the full reading guide.

Meet the Author  Rose Sandy

Rose Sandy writes adventure thrillers that blend espionage, technology, and history into fast-paced adventures. Her stories dive into the world of covert intelligence, scientific breakthroughs, and global conspiracies, perfect for readers who love suspense with a twist of "what if?" Whether you're on a morning commute or relaxing on a Sunday, her books promise to entertain, surprise, and transport you to hidden corners of the world.

A true globetrotter and lifelong communicator, Rose draws inspiration from historical archives, cutting-edge tech, and conversations with intelligence insiders. When she's not researching in the British Library or exploring Churchill’s War Rooms, she’s crafting thrillers that weave intrigue, action, and a hint of romance.

Discover more here or join her newsletter at subscribepage.io/Wuqko4.

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