"Rainbow" is a book by the famous writer Frances Margaret Fox, which tells about the extraordinary adventures of a group of friends in a magical land, where they have to weave together old and new ties to support the whole world. Delving into the book, the reader will feel his own involvement in the events and experiences of the characters, will reflect on the importance of friendship and mutual assistance. "Rainbow" is an exciting adventure that will leave in the heart of the reader for a long time a joyful, sparkling road to new and unexpected discoveries.