Elsa on Nantucket is a magical book by Martha Finley that tells the story of a family that goes on a summer trip to the island of Nantucket. The main character, little Elsa, helps her mother with the house cleaning, takes care of her younger sister and helps her father in the garden. But one day, trying to correct a mistake, she finds herself in difficult situations. Together with her new friends, Elsa learns to believe in herself, the importance of family and the fact that the most valuable thing is love and friendship. "Elsa on Nantucket" is a wonderful book that teaches us to appreciate the small joys of life and to believe in ourselves.