The book "Letters to the Unknown" by Prosper Merimet is a collection of letters that have become a special cultural treasury. In each letter, the author reveals his thoughts, feelings and memories, directing them to a stranger. The words embodied in them reflect the inner world of the postman, his joys and worries, dreams and hopes. Reading this book, the reader is transported into an atmosphere of mystery and intimacy, where every word is a drop of the author's soul. "Letters to the Unknown" is a work that delves deeply into the psychology of the sender and his desire to communicate with someone he will never meet.