"A wonderful gift book to help children understand the importance of respect for the environment starting with Greta Thunberg's trip. The book tells the journey of the young Swedish activist, who has become a symbol of the mobilization of boys and girls around the world around the serious issue of climate change, to reach New York and attend the UN summit on climate issues. The crossing of the Atlantic, departing from Plymouth, took place on the yacht owned by Pierre Casiraghi, son of Carolina of Monaco and the offshore champion Stefano Casiraghi, who accepted the invitation of the little warrior Greta, offering to accompany her to America on a journey with a very low environmental impact. Through the poetic illustrations by Maddalena Gerli, the book tells the story from the point of view of the family of the protagonist, Captain Papaia, Pierre Casiraghi's alter ego: the father talks to his two little children, who complain that he will be absent from home for some time, explaining to them the value of his journey and the importance of the issue of climate change, which directly affects us all."