"The Search for WondLa" is a children's science fiction novel by Tony DiTerlizzi. It follows the journey of a young girl named Eva Nine, who has grown up in a hidden underground sanctuary. When her home is destroyed, she embarks on a quest to find the mythical place called WondLa, which she believes holds the key to her identity and the world above. Throughout her adventure, Eva encounters various creatures and challenges in a vibrant, alien landscape. The story explores themes of friendship, courage, and the importance of understanding one's origins, all while showcasing DiTerlizzi's unique illustrations that enhance the narrative.