Milo and Iris find an old key, which unlocks a treasure chest, where they uncover secrets which leads them to an hidden doorway to the underwater world. Along the way, they must solve puzzles, overcome obstacles, and learn the importance of teamwork, courage, and perseverance. They also learn about the importance of respecting nature and the environment. In the end, Milo and Iris return home safely, but they will never forget their amazing adventure in the underwater kingdom. The key themes of the book include importance of teamwork, courage, perseverance, respecting nature and believing in yourself. The book is written in a simple and engaging style, and the illustrations are colourful and vibrant. It is the perfect book for young readers who love magic, mystery, and animals.
