Pit Number Four is a science fiction novel by Swedish author Henning Mankell, in which the author tells the story of a young girl named Eva-Lisbeth, who realizes that she will have to fight for survival when she encounters unusual events in the distant future. Describing life in a city surrounded by a high wall, Mankel creates an atmosphere of suspense and mystery. Thanks to this book, the reader deepens his thoughts about the essence of the human spirit and the possibility of survival in a hostile environment. The Hole Four is a captivating story that will leave you in love and thinking about the future.