/About the Book: Magic Tree House Moon Mission Jack and Annie are on the moon! The Magic Tree House has whisked them into the future onto an exciting outer-space hotel! But theyve only got two hours before they run out of air. Will the mysterious Moon Man and his map help them to get back safely? About the Author: Mary Pope Osborne Mary Pope Osborne has channeled a lifelong love of exploration and travel into one of the most popular children s book series of the past two decades. With her fantastic Magic Tree House series, Mary Pope Osborne keeps the good times rolling for kids all over the world.