"The Unexpected Guest" is an exciting detective novel written by the great English writer Agatha Christie, who is famous for her masterful plots and unpredictable denouements. In this work, as in her other works, the reader is immersed in a world of mysteries, intrigues and unexpected twists, where each character can be both a victim and a criminal. The plot of the book unfolds in a secluded estate against the background of a stormy winter night .. The main characters are a group of people gathered in the house to spend time in each other's company. However, their calmness is disturbed by an unexpected guest who appears at the most inopportune moment. This mysterious visitor becomes a catalyst for a series of events that make all participants wonder. Who is really hiding behind the mask of a good-natured stranger? Agatha Christie skillfully creates an atmosphere of tension and uncertainty, forcing the reader to constantly guess about the motives and true intentions of the characters Each of them has its own secrets, and as the story progresses, it becomes clear that not everything is as simple as it seems at first glance. Readers who like to solve puzzles and look for clues will be delighted with how Christie skillfully weaves a web of intrigue, leaving behind many traces that lead to unexpected conclusions. This book will be interesting for both teenagers and adult readers who are fond of detective stories and psychological thrillers. Fans of classic works such as Murder on the Orient Express or Ten Negroes will find in The Unexpected Guest the familiar atmosphere and style that made Christie one of the most read authors in the world. The novel is suitable for those who appreciate smart dialogues, deep elaboration of characters and, of course, unexpected solutions. The themes raised in the book concern human nature, trust, and betrayal. Christie explores how easy it is to be trapped in your own illusions and how difficult it is to recognize the true face of a person. The Unexpected Guest also raises questions about how circumstances can change people's behavior, and how fear of the unknown can lead to paranoia and distrust. Agatha Christie's style, characterized by conciseness and accuracy, creates a sense of immediate presence in the events described It has the unique ability to convey emotions and tension through simple but expressive phrases. Reading her books, you seem to become a member of the investigation, trying to solve the mystery with the heroes. “The Unexpected Guest” is not just a detective, but a real psychological game that makes you think about what we know about the people around us. Christy makes us doubt our assumptions and teaches that even those closest to us can hide secrets. If you’re looking for a book that keeps you on your toes to the last page and leaves a lot of questions behind, “The Unexpected Guest” will be a great choice. Do not miss the opportunity to plunge into a world where every step can become decisive, and every look - suspicious.