The Calla Cress Decrypter Thriller Series

Unlock the secrets of the past and the dangers of the future with Calla Cress in the Decrypter series.   The Calla Cress Decrypter Series is an action-packed thrill ride that will keep you on the edge of your seat. The first omnibus edition of the bestselling series features the first, second, and third novels in the series, featuring the dynamic and resourceful protagonist, Calla Cress.   Book 1:  In Secret of the Lost Manuscript, Calla must use her wits to decode a riddle and retrieve a highly guarded and undecipherable document that vanished in Berlin before it's too late.   Book 2: In The Mind Hacker, Calla is kidnapped and must find a missing MI6 agent to disarm a series of hacks.   Book 3: In Digital Eyes Only, Calla is called upon to decrypt a mysterious cipher left in the Prime Minister's home after his private accounts have been compromised.   Each book in this series is a standalone novel, but the series is best enjoyed in order. The books in this series are fast-paced, action-adventures steeped in history, espionage, and cyber defense in an increasingly digitally dependent world. They explore a world where technology and science are at the forefront of humanity.   Enter a world of espionage and danger in this page-turner that fans of Scott Mariani, Steve Berry, Jason Bourne, Ernest Dempsey, and Clive Cussler will not be able to resist.

The secret of the manuscript is only the beginning . . . The truth could cost her life. Calla Cress has been searching for her missing parents for her entire life. She thought the mystery was long buried, but when a two-thousand-year-old manuscript with an unbreakable code lands in her hands, she is suddenly thrust into a desperate race against time. As the British Museum curator deciphers the cryptic message, she becomes the target of a secret government agency enemy determined to keep the truth hidden at all costs. When the manuscript vanishes in Berlin, Calla realizes that the key to her family's disappearance may be encoded in the ancient text. With no time to lose, Calla, NSA security advisor Nash Shields, and tech entrepreneur Jack Kleve set off on a globe-trotting mission to decode the riddle and uncover a shocking technological breakthrough. But as she battles against skilled assassins and unravels the layers of deceit, she realizes that nothing in the modern or ancient world is as it seems. As the clock ticks down, Calla must risk everything to solve the mystery of her missing parents and prevent a dangerous new world from being unleashed. This is a race against time that she cannot afford to lose. Experience the rush of danger and the thrill of the chase in this thriller, perfect for fans of Ernest Dempsey, Jason Bourne, Steve Berry, Scott Mariani, and Clive Cussler.   What readers are saying about The Decrypter Series and Calla Cress.   ★★★★★ "An action-packed techno-thriller that reveals a dark future where hacking occurs at the speed of thought." ★★★★★ "A fast-paced thriller with twists and turns that will hopefully keep you up well past your bedtime." ★★★★★ "A story of technology, hacking, and codes." ★★★★★ "In a race against time, Calla and her team must decipher history's greatest anagram." ★★★★★ "Delivers a thrilling mystery for fans of Dan Brown."

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."

Calla Cress returns in the second omnibus edition in the best-selling action series. This digital box set contains the fourth, fifth, and sixth thrillers.   Book 4 - The Storm's Eye: Something strange is brewing in the skies.  The weather follows commands from a decades-old, abandoned research facility on an uninhabited island. Calla Cress is about to learn that the answers lie in a journey more terrifying than anything she could've imagined Book 5 -The Pythagoras Clause:  When a horoscope prediction app makes an alarming prediction about Calla's future, and a malicious old enemy uses her past to control the most unimaginable, powerful technology in the world, Calla is forced to confront a dark part of herself she thought she'd dealt with. Book 6- The Beale Ciphers: Fact: Two hundred years ago, Thomas J. Beale hid a treasure and wrote a cipher that has been unbreakable until today… that is until Calla Cress starts to read it. Now, some secrets are too dangerous to know, even for Calla. Each book in the Decrypter series can be read as a standalone novel, but the series is best enjoyed in order. The novels are fast-paced, action-adventures steeped in history, espionage, and cyber defense in a world evermore digitally dependent. The books explore a world where technology and science are at the forefront of humanity.

A deserted island, a mysterious technology, and a world-changing discovery.   When a team of international scientists is sent to investigate a mysterious technology on an abandoned island, they are met with a terrifying discovery that defies belief. But for Calla Cress, a no-nonsense British Museum curator turned cyber agent known as the Decrypter, this is just another day on the job. With her expertise in cracking encrypted codes and scripts, both ancient and cyber, Calla is the go-to agent for the US and British governments. But as she delves deeper into the strange occurrences on the island, Calla realizes that this case is unlike any she's encountered before. As the weather seems to follow commands from the deserted facility, Calla finds herself on a journey that will take her to the depths of her own darkness. From the oceanic reefs of Hawaii to the streets of St. Petersburg and the charm of Miami, Calla must use all her skills to track down an unseen enemy and claim a tech discovery that could change the world.   Embark on a high-stakes adventure with this page-turner that will keep you guessing until the very end, perfect for fans of Daniel Silva, Ernest Dempsey, Clive Cussler and Steve Berry.   What readers are saying about The Decrypter Series and Calla Cress: ★★★★★ "Fast-moving, exciting look at the possibilities of technology, peppered with just the right amount of science. I honestly couldn't put the book down." ★★★★★ "Has everything I look for in a good read: plot, characters and pace." ★★★★★ "An imaginative thriller with a great plot and unforgettable characters."

When the future is at stake, one woman must uncover the secrets of the past. As tensions rise between nations and the threat of a cyber war looms on the horizon, one woman finds herself at the center of it all. Calla Cress, a museum curator turned cyber defense agent, is called upon to decrypt a mysterious cipher found at the home of the British prime minister. But as she delves deeper into the case, Calla realizes that this is just the tip of the iceberg. A hi-tech encrypted device containing codes for far-future technologies has been stolen from the NSA's vault of secrets, and it appears that the perpetrators are planning to sell the valuable information on the darknet. Dubbed the Vault, this shadowy corner of the internet is shrouded in mystery, with ties to the mysterious history of the Maltese Knights. As Calla and NSA agent Nash Shields race to unravel the Vault's web of secrets and stop the sale of the NSA list, they find themselves pulled into a dangerous game of espionage that stretches from the streets of London to the coves of Malta, and even the glitzy allure of Monte Carlo. But the closer they get to their goal, the more Calla realizes that the price of success may be higher than she is willing to pay. Escape into a heart-racing, action-packed adventure with this must-read thriller that fans of Jason Bourne, Scott Mariani, Steve Berry, The Matrix and Clive Cussler will love. What readers are saying about The Decrypter Series and Calla Cress: ★★★★★ "Full of twists and excitement to the last page." ★★★★★ "Gripping read!" ★★★★★ "Absolutely brilliant storyline." ★★★★★ "Engaging and well-plotted with a pace that keeps you reading long into the night. The characters are fun to follow and the protagonist, Calla, is a great mix of smart, talented, and vulnerable." ★★★★★ "An amazing read! It was the perfect balance of technology, romance, and suspense. I wasn't bored for one second; I couldn't put it down!" ★★★★★ "Impossible to predict where the story will lead."  

Predicting the future was supposed to be a game until it became deadly serious.   When a dangerous app begins predicting the future and causing users to fall into mysterious comas, secret government agent Calla Cress is thrust back into the world of secrets and lies. As she races against time to disarm the app, she is confronted by an old enemy who wields powerful technology and threatens to expose a dark part of Calla's past. With the help of international espionage, Calla must travel from the shores of Turkey to the allure of Havana as she unravels a centuries-old mystery involving a student of Pythagoras and an alarming global government cover-up.   Get ready for a wild ride of non-stop action and suspense with this thriller, perfect for fans of Steve Berry, Scott Mariani, Ernest Dempsey and Clive Cussler. What readers are saying about The Decrypter Series and Calla Cress. ★★★★★ "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, technothriller 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."

Calla Cress returns in the second omnibus edition of the best-selling action series. This digital box set contains the first six books in the series. Book 1- Secret of the Lost Manuscript: When a highly guarded, undecipherable document vanishes in Berlin, Calla Cress finds herself against an adversary with superior firepower. Calla must use her wits to decode the manuscript's riddle before it's too late. Book 2 -The Mind Hacker:  After an explosion rocks Calla Cress's hideout in Colorado, she wakes up halfway across the world at the whim of a powerful, unidentified organization demanding she produces the whereabouts of a missing MI6 agent who can disarm a series of hacks snaking through one government system after another. Book 3 - Digital Eyes Only: When the British Prime Minister's private accounts are compromised, Calla Cress is called on to decrypt a mysterious and dangerous cipher left in the Prime Minister's home. Book 4 - The Storm's Eye: Something strange is brewing in the skies.  The weather follows commands from a decades-old, abandoned research facility on an uninhabited island. Calla Cress is about to learn that the answers lie in a journey more terrifying than anything she could've imagined Book 5: The Pythagoras Clause:  When a horoscope prediction app makes an alarming prediction about Calla's future, and a malicious old enemy uses her past to control the most unimaginable, powerful technology in the world, Calla is forced to confront a dark part of herself she thought she'd dealt with. Book 6–The Beale Ciphers: Fact: Two hundred years ago, Thomas J. Beale hid a treasure and wrote a cipher that has been unbreakable until today… that is until Calla Cress starts to read it. Now, some secrets are too dangerous to know, even for Calla. Each book in the Decrypter Thriller Series can be read as a standalone novel, but the series is best enjoyed in order. The novels are fast-paced, action-adventures steeped in history, espionage, and cyber defense in a world evermore digitally dependent. The books explore a world where technology and science are at the forefront of humanity.

The 200-year-old code is finally cracked, but the danger is just beginning.   When Calla Cress, a skilled government agent, and codebreaker, begins to unravel the secrets of the legendary Beale Ciphers, she finds herself framed for the murder of her closest friend.   On the run and discredited, Calla embarks on a treacherous journey to Africa, where she discovers that a vengeful enemy is out for blood and plans to use the Beale Ciphers to unleash hell on Earth.   With the clock ticking and the stakes higher than ever, Calla must follow the clues left by her murdered friend and outwit the dangerous forces hot on her heels before it's too late. As she races against time to clear her name and prevent a global catastrophe, Calla soon realizes that some secrets are too dangerous to know. Unleash the adrenaline rush with this heart-pumping, page-turning thriller that fans of Steve Berry, Jason Bourne, Scott Mariani, Ernest Dempsey and Clive Cussler cannot miss!   What readers say about Calla Cress and Decrypter series: "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 historical references, location descriptions, references to technology, cryptography… this author really knows her stuff." "An action-packed adventure, technothrillers 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."

The lost city of Atlantis of the Sands: real or myth?   Calla Cress is a top-notch spy for the International Security and Treaty Force (ISTF), but her latest mission hits close to home. She's been tasked with finding a missing museum curator, Dr. Octavia Steward, who just happens to be Calla's former archaeology professor.   But when Calla begins to investigate, she quickly realizes there's more at stake than the curator's disappearance. Octavia has disappeared with classified information on the lost City of Atlantis of the Sands, a city rumored to hold secrets and powerful artifacts that could be used for mankind's benefit or destruction. As Calla delves deeper into the case, she finds herself in the middle of a web of lies and betrayal and becomes a target for those who will stop at nothing to keep their secrets hidden. With the help of her fellow agents and her archaeological expertise, Calla must use all of her training and cunning to uncover the truth and save the day.   Uncover a world of espionage and danger in this must-read thriller that fans of Daniel Silva, Jason Bourne, Steve Berry, and Scott Mariani will love.