A Spy in Scarlet (en Inglés) - Don Jones

A luxury cruise. A high-stakes mystery. And a data analyst who just wanted a vacation.

Elara Shaw is a risk-averse data analyst who excels at observing from the sidelines. When she's dragged onto a ten-day voyage aboard the ultra-sleek cruise ship The Lady by her overbearing Aunt Millicent, Elara's plan is simple: survive her family and blend into the background.

But on a ship where every detail is curated and every interaction feels like a performance, blending in is harder than it looks. Elara soon finds herself drawn into a world of "onboard royalty," including a charismatic "Happenings" cast and two enigmatic strangers: Julian, a professional extrovert who radiates charm, and Rhys, a reserved man in a slate-gray blazer who seems to be watching everyone.

When Elara's technical curiosity leads her to discover that the ship's secure network has been compromised, she realized that The Lady is carrying more than just vacationers. A "Charmer" on stage turns a magic trick into a public accusation, revealing that an impossible crime-espionage-has been committed on board.

Suddenly, the "data points" Elara has been tracking become a matter of life and death. To catch a spy hiding in plain sight, she must team up with an unlikely ally, navigate a shifting labyrinth of crew-only corridors, and use her own analytical mind to solve a puzzle that the ship's security can't.

On The Lady, curiosity is the most dangerous thing you can pack. And for Elara Shaw, the most extraordinary voyage of her life is about to become a race to the finish line