"Ragna" is an exciting thriller from the famous authors Costantini and Anna Miller. In this book, you will find a tense story about the mysterious events that begin after the disappearance of the young archaeologist Ragna. Going in search of a missing girl, the protagonist finds himself surrounded by the secrets of an ancient city and faces dangerous enemies. Every page of the book is filled with tension, hidden secrets and incredible turns of events. "Ragna" is a book that will keep you in suspense from the first page to the last, mesmerizing you with its deep characters and dizzying plot.