For those looking to continue the series, Moreno followed this success with the sequel titled . PRINCESA: | Thriller | Policiaca |: Amazon.co.uk

The story follows , a young and naive security guard working in the Ventas Metro station in Madrid while she prepares for her National Police entrance exams. Her life takes a dramatic turn when an unknown assailant begins a relentless attempt to kill her for no apparent reason.

The thriller novel , written by Javier Moreno , marks the author's successful transition into the police and crime fiction genre following his popular Malas Tintas trilogy. Known for delivering "unexpected twists," Moreno's style in this book is described as an engaging mix of intrigue, light romance, and humor, often providing a less graphic alternative to traditional hard-boiled noir. Plot Overview: 50 Days of Vertigo