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Rose Sandy Books

The Decrypter Thriller Series Bundle: Codes, Conspiracies & Chaos by Rose Sandy - Books 4-6 (EBOOKS)

The Decrypter Thriller Series Bundle: Codes, Conspiracies & Chaos by Rose Sandy - Books 4-6 (EBOOKS)

Regular price £16.99 GBP
Regular price £29.99 GBP Sale price £16.99 GBP
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Books 4,5 and 6 in the Calla Cress Decrypter Thriller Series

Three cryptic codes. One fearless heroine. Infinite danger.

Step into the exciting world of Calla Cress, a museum curator turned elite codebreaker, as she unravels history’s darkest secrets before they ignite modern-day chaos. This exclusive three-book bundle delivers non-stop suspense, breathtaking twists, and conspiracies that span continents and centuries.

Inside this bundle you’ll get

Book 4: The Decrypter: The Storm’s Eye
A storm is brewing—both in the skies and in the shadows of global espionage. When a long-forgotten weapon surfaces, Calla is thrust into a race against time to stop a conspiracy that could change the course of nations.

Book 5: The Decrypter and the Beale Ciphers
The legendary Beale Papers may hide the key to one of history’s greatest treasures—but unlocking them comes at a deadly cost. Pursued by ruthless adversaries, Calla must crack the ciphers before the truth falls into the wrong hands.

Book 6: The Decrypter: The Pythagoras Clause
Mathematics meets mayhem when a secret formula tied to Pythagoras threatens to destabilize the modern world. To solve it, Calla dives into a maze of ancient codes, treacherous betrayals, and life-or-death stakes.

Why You’ll Love This Bundle:

Thrillers packed with ancient puzzles, high-tech espionage, and a strong, fearless heroine.

Perfect for fans of Dan Brown, James Rollins, and Clive Cussler.

Three globe-trotting adventures in one unbeatable collection.

Get ready to crack the code, chase the conspiracy, and outwit the enemy—all from the edge of your seat.

Tropes in This Bundle Fans Will Love

Race Against Time – ticking clocks, countdowns, and conspiracies unfolding at breakneck speed.

Ancient Secrets, Modern Threats – lost manuscripts, ancient codes, and math puzzles linked to cutting-edge espionage.

Globe-Trotting Adventure – from hidden vaults and cathedrals to high-security labs and exotic locations.

Brilliant Codebreaker Heroine – Calla Cress, smart, skilled, and fearless in a world dominated by secrets.

Treasure Hunt Mystery – decoding ciphers like the Beale Papers to uncover long-buried truths and treasures.

Secret Societies & Hidden Orders – shadowy groups protecting or exploiting ancient knowledge.

Enemies in the Shadows – powerful adversaries with resources, armies, and hidden agendas.

High-Tech Espionage – surveillance, hacking, and spycraft blended seamlessly with historical mystery.

Betrayal & Hidden Agendas – allies who may not be trustworthy, forcing Calla to trust her instincts.

Unstoppable Heroine vs. Impossible Odds – lone codebreaker standing up against global powers.

Ciphers & Puzzles – cryptic codes, riddles, and logic traps only the sharpest mind can solve.

Action Set-Pieces – car chases, underground escapes, confrontations in exotic locales.

Historical Conspiracy Thrills – secrets from the past echoing into present-day dangers.

Found Family/Reluctant Allies – Calla building bonds with unlikely partners like Nash Shields and Jack Kleve.

The World at Stake – conspiracies where failure doesn’t just mean death—it means global catastrophe.

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