Hilo #8: Gina and the Big Secret
Hilo #6: All the Pieces Fit
Hilo #7: Gina - The Girl Who Broke the World
Bok's Giant Leap: One Moon Rock's Journey Through Time and Space
Max Meow #3: Pugs from Planet X
Puzzlooies! Marooned on the Moon: A Solve-the-Story Puzzle Adventure
Magic Tree House #8: Midnight on the Moon