"A Hero for WondLa" is a science fiction novel by Tony DiTerlizzi, continuing the story of Eva Nine, a young girl raised in a futuristic underground world. After escaping to the surface, she embarks on a quest to find her place in a strange and beautiful land filled with unique creatures and challenges. Throughout her journey, Eva encounters friends and foes, including the enigmatic Rovender Kitt, who helps her navigate the complexities of her new environment. The story explores themes of identity, friendship, and the importance of protecting the planet, making it an engaging read for young audiences.