"The Third Girl" is an exciting detective novel written by the detective queen Agatha Christie, which immerses the reader in a world of mysteries, mysteries and unexpected twists. In this work, published in 1966, readers will meet the famous detective Hercule Poirot, who again finds himself at the center of a complicated case requiring his outstanding analytical abilities. The story takes place in London, where a young and mysterious girl named Nina turns to Poirot for help. She believes that she witnessed the murder, but her story is full of inconsistencies and mysterious details. Poirot, known for his ability to see what is hidden from the eyes of others, accepts the challenge and begins an investigation that soon becomes more and more riddles. Who really owns the mysterious murder? And what is the role of the third girl in question? These questions make the reader look forward to turning the pages, trying to solve the mystery with Poirot . "The third girl" will be interesting to both fans of classic detectives and those who are just beginning to get acquainted with the work of Agatha Christie. The novel is suitable for readers of all ages, especially those who appreciate intellectual riddles and fascinating plots. If you love stories where every character can be both a victim and a criminal, and where every step can lead to an unexpected discovery, then this work will be a real find for you. The themes raised in the novel address not only issues of justice and morality, but also explore complex human relationships. Christy masterfully shows how deceptive external manifestations can be, and how important it is to understand people's true motives. The reader is faced with questions about trust, betrayal, and how the past can influence the present. These themes make the novel not just a detective, but a real psychological study, which adds depth and layering to the plot. Agatha Christie's style in "The Third Girl" is distinguished by exquisite simplicity and ease, which makes it easy to immerse yourself in the atmosphere of London in the 60s. Christie skillfully uses dialogue, creating live and memorable images of characters. Each of them is endowed with unique traits and motivation, which makes them realistic and multifaceted. The reader unwittingly begins to empathize with the heroes, trying to unravel their secrets along with Poirot. If you liked such works as “Murder on the Orient Express” or “Ten Negroes”, then “The Third Girl” will be for you an equally fascinating reading. This book not only entertains, but also makes you think about deeper aspects of human nature. In conclusion, “The Third Girl” is not just a detective novel, but a real pearl that can captivate the reader from the first page and not let go until the very end. The combination of a masterfully woven plot, deep themes and vivid characters makes this work a must-read for anyone who appreciates high-quality literature. Immerse yourself in the world of Agatha Christie and uncover the secrets that she hides behind the veil of intrigues and mysteries!