The Calla Cress Decrypter Thriller Series: Books 1 - 6

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.