Principle and Practice: A Family of Orphans is a novel written by English author Harriet Martineau. The book tells the story of a family of orphans growing up in difficult conditions and looking for their place in the world. The author draws attention to issues of morality, family values and relationships between people. Describing the adventures and trials of the main characters, Martino demonstrates how important it is to stay true to one's principles in all circumstances. This book fascinates the reader with its drama, emotional depth and relevance of the topics that face each of us in our daily life.