The Decrypter: Secret of the Lost Manuscript by Rose Sandy
Summary: Though her specialty is Roman collections at the British Museum in London, history expert turned government agent Calla Cress finds herself thrown into a bizarre international case. A code is written in an unbreakable script on an ancient manuscript whose origin is as debatable as the origin of life. Could its decryption lead to a global cyber war?
When the highly guarded document goes missing from a Berlin museum and ends up in her personal belongings with a long-hidden secret concerning her past, Calla is backed into a corner. Forced on a run halfway across the world, Calla is pursued from the underground scene of espionage intelligence into a desperate hunt for truth and survival. Soon she discovers that she’s made of tougher stuff than she ever imagined. Her only allies are few but resourceful.
Nash Shields, a handsome yet mysterious National Security Agency (NSA) intelligence analyst. Jack Kleve, a witty technology entrepreneur.
The trio is thrown into a sophisticated conspiracy spanning continents and dating back several centuries. The secret of the manuscript is only the beginning . . . The truth could cost them their lives.