Henrietta, a tiny house hippo with a passion for books, and her best friend, Winston the wise mouse, embark on the first great adventure of their lives! When Henrietta reads about the magnificent Northern Lights, she knows she must see them. But how can two tiny friends travel from inside a warm house wall to the cold, distant North? Join Henrietta and Winston as they create a super-secret, daring plan to chase a dream that glows green and blue! Perfect for young readers who love adventure, friendship, and secret worlds