"Tosca" is a classic novel by Leo Tolstoy that reflects the realities of life in Russian society at the end of the 19th century. In this book, the author tells the story of love between Anna Karenina and Count Vronsky, which intersects with other parallel plots that problematize various aspects of human life, morality, faith and family values. "Tosca" is not only a novel about love and loss, but also a deep reflection on social norms, devotion and self-realization. This book, written by an unsurpassed master of words, leaves behind indescribable emotions and thoughts about life's big questions.