Silver Gravity Books
The Decrypter and the Mind Hacker - Book 2 (EBOOK)
The Decrypter and the Mind Hacker - Book 2 (EBOOK)
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She uses her intellect to unravel conspiracies, but when her mind becomes the target, the true game begins.
A cryptic message, a global blackout, and a tech that hacks human memory—Calla Cress must uncover a secret buried in her past to prevent a digital war that could erase truth itself.
Calla Cress, top government code breaker, thought she had defeated the world's most dangerous man. But when she made the fatal mistake of letting him live, she never could have imagined what would follow. The billionaire criminal mastermind, locked away in a high-security prison, is now luring the globe's smartest minds into his cell, where they emerge in comas and his lethal hacks infiltrate government systems worldwide.
As a museum curator turned undercover agent, Calla is at the center of a dangerous game. She holds a secret, hidden in the depths of technology history, that could alter civilization. But when an explosion rocks her Colorado hideout, Calla wakes up captive to a powerful organization that demands she produces the whereabouts of a missing MI6 agent who holds the key to stopping the billionaire's hacks.
With only a handful of clues, Calla, NSA security advisor Nash Shields, and tech entrepreneur Jack Kleve, must race across the globe to unravel the clues. But the key to stopping the billionaire's reign of terror comes at an astonishing price.
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.
Reader Praise
"An exciting global adventure packed with espionage, ancient secrets, and relentless action. Calla Cress is a heroine you’ll root for from page one." Nina M.
"Combines the mystery of Dan Brown, the pace of Jason Bourne, and a tech-savvy plotline that will leave you wanting more. I couldn’t put it down!" James T.
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
Find the Full Series here.
Click here for the full reading guide.
Meet the Author Rose Sandy
Rose Sandy writes 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.
Tropes You'll Love:
action-packed female lead, globe-trotting techno-thriller, ancient technology meets modern espionage, race against time, found family spy team, enemies in high places, codebreaker heroine, secret government experiments, weaponised weather conspiracy, thrilling archaeological mystery, intelligent action thriller, morally complex allies
Click here to read a sample.Pages | 398 |
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ISBN | 9781512360950 |
Paperback Dimensions | 5 x 0.51 x 8 inches |
Language | English |
Categories |
Action & Adventure, Thrillers, Conspiracy Thrillers, Technothrillers, Espionage Thrillers, Mystery & Suspense, International Crime, Historical Thrillers, Women Sleuths, Cyber Thriller, Archaeological Thrillers, Political Thrillers |
Series | The Calla Cress Decrypter Thriller Series, Book 2 |
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Where imagination knows no bounds and adventure awaits at every turn.

One of the best books I have ever read.
Great follow up to first Calla Cress book. Fast paced with a mixture of action and sci fi. I would recommend this series.
Brilliant!!! Started with the decryptor and straight into the mind hacker. Gripping storyline.
A thriller with a bit of science fiction.
Although this is fiction it could become fact, think of Jules Verne, his fiction became fact.
A very good read, I'll be starting the next book soon.
Great story