"Guardian Angel" is a book about the incredible power of friendship and devotion. The main character, Marina, lost her parents in childhood and was left alone in the middle of a big city. Then a mysterious stranger comes to her aid, who turns out to be her Guardian Angel. Together, they will go through many trials caused by the strict rules of the "Dark Side" and in time will understand that true strength lies in inner strength and faith in goodness. This book emphasizes the importance of friendship, mutual help and self-belief, prompting readers to think about how important it is to be sensitive and kind to each other. "Guardian Angel" is a fascinating story about true values in life and how they can help overcome any obstacles.