Hilo Book 1: The Boy Who Crashed to Earth Hilo Book 3: The Great Big Boom Hilo Book 2: Saving the Whole Wide World Hilo Book 4: Waking the Monsters Hilo Book 5: Then Everything Went Wrong Hilo Book 6: All the Pieces Fit Hilo Book 7: Gina---The Girl Who Broke the World Hilo: Out-of-This-World Boxed Set Hilo: The Great Big Box (Books 1-6) Hilo Book 8: Gina and the Big Secret Hilo Book 9: Gina and the Last City on Earth Hilo Book 10: Rise of the Cat Hilo Book 11: The Great Space Iguana