Substitute is an exciting novel by Swedish writer Selma Lagerlef, which immerses the reader in a world of complex human emotions, betrayal and the search for identity. Lagerleaf, the first woman awarded the Nobel Prize in Literature, is known for her skill in creating vivid images and deep plots. In Substitute, she again demonstrates her ability to address important topics that remain relevant in our time. The plot of the book revolves around the fate of two children, whom fate brought together in difficult circumstances. One of them is noble and good, the other is cunning and deceitful. As a result of mysterious events, they change places, and each of them finds himself in a world that does not correspond at all to his true nature. Lagerleaf skillfully describes how this substitution affects their lives, families, and environments, making the reader think about what a person's true essence is and how circumstances can change their fate. The book will be of interest to a wide range of readers, especially those who are fond of psychological novels and works about human relationships. Suitable for teenagers and adults, the “Substitute” makes you think about the importance of self-knowledge and sincerity. If you like such works as "The Little Prince" by Antoine de Saint-Exupery or "Harry Potter" by J. K. Rowling, you will surely find something close and familiar in this novel. The themes raised in Substitute cover a wide range of human experiences, from love and friendship to betrayal and finding one's place in the world. Lagerlef masterfully conveys the inner conflicts of the characters, their fears and hopes, which makes them close and understandable to every reader. Questions about what it means to be yourself, what the consequences of choice are, and how important it is to remain true to one's principles, become central to this work. Selma Lagerlef's style is distinguished by poetry and depth. She uses vivid metaphors and pictorial descriptions that allow the reader not only to see, but also to feel the atmosphere in which events unfold. Lagerleaf is also known for her other works, such as Nils's Miraculous Journey with the Wild Goose and The Saga of Jeremiahs, which also explore themes of human nature and inner peace. “The Changeling” is not just a story about two children, it is a deep study of the human soul, which leaves a mark on the heart of everyone who decides to dive into its pages. The book is able to evoke a wide range of emotions: from sympathy and understanding to anxiety and hope. Reading it, you will not only enjoy a fascinating story, but also be able to think about your own values and choices. If you are looking for a work that will make you think about the life, love and true nature of a person, “Substitute” will be an excellent choice. This is a book that will not leave you indifferent and will make you rethink many aspects of your life. Do not miss the opportunity to discover this masterpiece of Swedish literature and immerse yourself in the world created by Selma Lagerlef