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 ...